A small boy sitting on a toy by a window getting tickled by his dad.
A man and child are walking in a park.
The man and child cannot be walking in a park and sitting by a window at the same time.
exists e1 e2 p1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & by(e1,x4) & exists e3.(Actor(e3,x6) & Theme(e3,x5) & v_tickle(e3)) & n_dad(x6) & of(x6,x1) & n_male(x1) & Topic(e2,p1) & Actor(e2,x5) & v_get(e2) & (x4 = x5) & n_window(x4) & on(e1,x3) & n_toy(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_boy(x1) & a_small(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(in(e1,x4) & n_park(x4) & Actor(e1,x1) & v_walk(e1) & n_child(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))