A man is playing a saxophone in a public space.
The man is feeding ducks in a park.
A man can't play a saxophone and feed the ducks at the same time.
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_space(x3) & a_public(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_saxophone(x2) & n_man(x1))
exists e1 x1 x2 x3.(n_man(x1) & in(e1,x3) & n_park(x3) & Theme(e1,x2) & Actor(e1,x1) & v_feed(e1) & n_duck(x2))