A boy doing a flip in the air at the beach.
A kid is lying on a couch and channel surfing.
The kid cannot be doing a flip and lying on a couch at the same time.
exists e1 x1 x2 x3 x4 x5.(n_beach(x5) & n_air(x4) & a_topic(x1) & at(e1,x5) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & in(x3,x4) & n_flip(x3) & (x1 = x2) & n_boy(x1))
exists e1 x1 x2 x3 x4 x5.(on(e1,x2) & n_surfing(x4) & of(x4,x5) & n_channel(x5) & n_couch(x3) & subset_of(x4,x2) & subset_of(x3,x2) & Actor(e1,x1) & v_lie(e1) & n_kid(x1))