A man with a black backpack is jumping off a pier into a lake.
The man is trying to get to someone in the lake.
Just because he is jumping off a pier does not mean he is trying to get someone in the lake.
exists e1 s1 s2 x1 x2 x3 x4.(into(e1,x4) & n_lake(x4) & a_off(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x1) & v_jump(e1) & n_pier(x3) & with(x1,x2) & n_backpack(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists e1 p1 x1 x3.(n_lake(x3) & n_man(x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2.(to(e2,x2) & in(x2,x3) & n_person(x2) & Actor(e2,x1) & v_get(e2)))