Guy jumping off a pier into lake.
A man is swimming in a lake.
The man can't be jumping off a pier while already swimming in a lake.
exists e1 s1 x1 x2 x3.(ne_nam_guy(x1) & into(e1,x3) & n_lake(x3) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_pier(x2))
exists e1 x1 x2.(in(e1,x2) & n_lake(x2) & Actor(e1,x1) & v_swim(e1) & n_man(x1))