A young boy in a Tigger shirt stands on top of someone lying in a bed.
The boy is standing on the bed.
The boy is standing on a person, not on the bed.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7.(on(e1,x4) & of(x4,x5) & in(e2,x7) & n_bed(x7) & Actor(e2,x6) & v_lie(e2) & (x5 = x6) & n_person(x5) & n_top(x4) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_shirt(x2) & (x2 = x3) & ne_org_tigger(x3) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_bed(x2) & n_boy(x1) & on(e1,x2) & Actor(e1,x1) & v_stand(e1))