A woman and her children sit in a park surrounded by pigeons.
A woman and her children are watching tigers at the zoo
Pigeons are different from tigers. Tigers are not birds.
exists e2 e1 x1 x2 x3 x4 x5 x6.(in(e1,x4) & Actor(e2,x6) & n_pigeon(x6) & Theme(e2,x5) & v_surround(e2) & (x4 = x5) & n_park(x4) & Actor(e1,x1) & v_sit(e1) & subset_of(x3,x1) & n_child(x3) & of(x3,x2) & n_female(x2) & subset_of(x2,x1) & n_woman(x2))
exists e1 x1 x2 x3 x4 x5.(n_zoo(x5) & at(e1,x5) & Theme(e1,x4) & Actor(e1,x1) & v_watch(e1) & n_tiger(x4) & subset_of(x3,x1) & n_child(x3) & of(x3,x2) & n_female(x2) & subset_of(x2,x1) & n_woman(x2))