A man watching a person diving into a swimming pool.
A man was watching a group of people dive into a ball pit.
There can be either a person or a group of people watched by a man.
exists e1 e2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_watch(e2) & into(e1,x5) & n_pool(x5) & of(x5,x6) & n_swimming(x6) & Actor(e1,x4) & v_dive(e1) & (x3 = x4) & n_person(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3 x4 x5 x6.(into(e1,x5) & n_pit(x5) & of(x5,x6) & n_ball(x6) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & of(x2,x3) & Time(x3,x4) & n_dive(x4) & n_people(x3) & n_group(x2) & n_man(x1))