A man is building a large sand castle on the beach.
A man is playing frisbee on the beach.
The man is either building or playing.
exists e1 s1 x1 x2 x3 x4.(n_beach(x4) & on(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_castle(x2) & of(x2,x3) & n_sand(x3) & a_large(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(n_beach(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_frisbee(x2) & n_man(x1))