A man paddles a canoe accompanied by a dog.
A man and his dog are hiking alongside a stream.
One cannot paddle a canoe and hike simultaneously.
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_paddle(e2) & Actor(e1,x4) & n_dog(x4) & Theme(e1,x3) & v_accompany(e1) & (x2 = x3) & n_canoe(x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(alongside(e1,x4) & n_stream(x4) & Actor(e1,x1) & v_hike(e1) & subset_of(x3,x1) & n_dog(x3) & of(x3,x2) & n_male(x2) & subset_of(x2,x1) & n_man(x2))