An old lady in a big black coat holds the hand of a young boy in a blue jacket in the subway.
A grandma enjoys spending the afternoon with her grandson.
An old lady and young boy are not necessarily grandma and grandson, and she may not be enjoying the afternoon.
exists e1 s1 s2 s3 s4 s5 x1 x2 x3 x4 x5 x6.(n_subway(x6) & n_hand(x3) & in(e1,x6) & Theme(e1,x3) & Actor(e1,x1) & v_hold(e1) & of(x3,x4) & in(x4,x5) & n_jacket(x5) & a_blue(s5) & Theme(s5,x5) & n_boy(x4) & a_young(s4) & Theme(s4,x4) & in(x1,x2) & n_coat(x2) & a_black(s3) & Theme(s3,x2) & a_big(s2) & Theme(s2,x2) & n_lady(x1) & a_old(s1) & Theme(s1,x1))
exists e1 p1 x1 x2 x3.(n_grandson(x3) & of(x3,x2) & n_female(x2) & n_afternoon(x2) & exists e2.(with(e2,x3) & Theme(e2,x2) & Actor(e2,x1) & v_spend(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_enjoy(e1) & n_grandma(x1))