He is just glad to be back in the club. Mr. Biden did not even have to pack his dentures for this trip. He was not nice. Talk about toothless. Anyway, they are only serving him apple sauce these days.
Mr. Biden contains a xx number of days.
( z0 contain :ARG0 ( z1 person :name ( z2 name :op "Mr." :op "Biden" ) ) :ARG1 ( z3 day :quant ( z4 number :name ( z5 name :op "xx" ) ) ) )
(z0 / contain-01
    :ARG0 (z1 / person
              :name (z2 / name
                        :op1 "Mr."
                        :op2 "Biden"))
    :ARG1 (z3 / day
              :quant (z4 / number
                         :name (z5 / name
                                   :op1 "xx"))))
Mr. Biden contains a xx number of days .
z2 :op1 1
z1 :name z2
z2 :op2 0
z0 :ARG0 z1
z5 :op1 2
z4 :name z5
z3 :quant z4
z0 :ARG1 z3