A boy signals with his hands while he walks a white dog with a pink leash.
A boy and his dog play in the pond.
A boy can be either walking a dog or playing with his dog in the pond.
exists e1 p1 x1 x2.(exists e2 s1 s2 x3 x4.(Theme(e2,x3) & Actor(e2,x1) & v_walk(e2) & with(x3,x4) & n_leash(x4) & a_pink(s2) & Theme(s2,x4) & n_dog(x3) & a_white(s1) & Theme(s1,x3)) & n_male(x1) & n_male(x1) & while(e1,p1) & with(e1,x2) & n_hand(x2) & of(x2,x1) & Actor(e1,x1) & v_signal(e1) & n_boy(x1))
exists s1 x1 x2 x3 x4.(n_pond(x4) & a_topic(s1) & subset_of(x2,s1) & in(x2,x4) & n_play(x2) & of(x2,x3) & n_dog(x3) & of(x2,x1) & n_male(x1) & subset_of(x1,s1) & n_boy(x1))