Men on a boat are tending the rigging and are looking up.
The men in the ground playing.
Tending the rigging and looking up is not playing.
exists e1 e2 s1 x1 x2 x3 x4 x5.(n_rigging(x3) & a_up(s1) & Manner(e2,s1) & Actor(e2,x4) & v_look(e2) & on(x4,x5) & n_boat(x5) & n_man(x4) & Theme(e1,x3) & Actor(e1,x1) & v_tend(e1) & on(x1,x2) & n_boat(x2) & n_man(x1))
exists x1 x2 x3.(n_playing(x2) & of(x2,x3) & n_ground(x3) & n_man(x1) & a_topic(x1) & in(x1,x2))