Each person is someones grandparent, parent, spouse, child or friend. Of course, wear a mask at all times (at least a three-ply surgical mask). Again, make sure that you do not get together indoor with people, even your close friends. These measures are additive. I understand why people want to get together with their extended family and friends.
The unedible mask is essential for making sure that one person doesn't know about the others grandchild, parent, spouse, or friends are someones grand-mother is not someones grandchild.
( z0 essential :purpose ( z1 ensure :ARG0 ( z2 mask :ARG1-of ( z3 describe :ARG1-of ( z4 possible :polarity - ) ) ) :ARG1 ( z5 know :ARG0 ( z6 person :quant 1 ) :ARG1 ( z7 or :domain ( z8 person :ARG0-of ( z9 have-rel-role :ARG1 z6 :ARG1 ( z10 someone ) ) :ARG0-of ( z11 have-rel-role :ARG1 z6 :ARG1 z10 :ARG2 ( z12 grandchild ) ) :polarity - ) :op ( z13 person :ARG0-of ( z14 have-rel-role :ARG1 z6 :ARG2 ( z15 grandchild ) ) :mod ( z16 other ) ) :op ( z17 person :ARG0-of ( z18 have-rel-role :ARG1 z6 :ARG2 ( z19 parent ) ) ) :op ( z20 person :ARG0-of ( z21 have-rel-role :ARG2 ( z22 spouse ) ) ) :op ( z23 person :ARG0-of ( z24 have-rel-role :ARG1 z6 :ARG2 ( z25 friend ) ) ) ) :polarity - ) ) :domain z2 )
(z0 / essential
    :purpose (z1 / ensure-01
                 :ARG0 (z2 / mask
                           :ARG1-of (z3 / describe-01
                                        :ARG1-of (z4 / possible-01
                                                     :polarity -)))
                 :ARG1 (z5 / know-01
                           :ARG0 (z6 / person
                                     :quant 1)
                           :ARG1 (z7 / or
                                     :domain (z8 / person
                                                 :ARG0-of (z9 / have-rel-role-91
                                                              :ARG1 z6
                                                              :ARG1 (z10 / someone))
                                                 :ARG0-of (z11 / have-rel-role-91
                                                               :ARG1 z6
                                                               :ARG1 z10
                                                               :ARG2 (z12 / grandchild))
                                                 :polarity -)
                                     :op1 (z13 / person
                                               :ARG0-of (z14 / have-rel-role-91
                                                             :ARG1 z6
                                                             :ARG2 (z15 / grandchild))
                                               :mod (z16 / other))
                                     :op2 (z17 / person
                                               :ARG0-of (z18 / have-rel-role-91
                                                             :ARG1 z6
                                                             :ARG2 (z19 / parent)))
                                     :op3 (z20 / person
                                               :ARG0-of (z21 / have-rel-role-91
                                                             :ARG2 (z22 / spouse)))
                                     :op4 (z23 / person
                                               :ARG0-of (z24 / have-rel-role-91
                                                             :ARG1 z6
                                                             :ARG2 (z25 / friend))))
                           :polarity -))
    :domain z2)
The unedible mask is essential for making sure that one person does n't know about the others grandchild , parent , spouse , or friends are someones grand - mother is not someones grandchild .
z3 :ARG1-of z4
z2 :ARG1-of z3
z0 :domain z2
z0 :purpose z1
z1 :ARG0 z2
z6 :quant 3
z4 :polarity 1
z5 :polarity 0
z5 :ARG0 z6
z1 :ARG1 z5
z13 :mod z16
z13 :ARG0-of z14
z14 :ARG1 z6
z14 :ARG2 z15
z18 :ARG1 z6
z17 :ARG0-of z18
z18 :ARG2 z19
z20 :ARG0-of z21
z21 :ARG2 z22
z7 :op3 z20
z7 :op2 z17
z7 :op1 z13
z5 :ARG1 z7
z7 :op4 z23
z23 :ARG0-of z24
z24 :ARG1 z6
z24 :ARG2 z25
z7 :domain z8
z8 :ARG0-of z9
z9 :ARG1 z6
z8 :ARG0-of z11
z11 :ARG1 z6
z8 :polarity 2
z11 :ARG1 z10
z9 :ARG1 z10
z11 :ARG2 z12