A boy jumps on a stone footing next to a lake.
A boy jumping on a stone may fall in!
Not all boy jumping on a stone footing next to a lake may fall in!
exists e1 e2 x1 x2 x3 x4.(on(e1,x2) & to(e2,x4) & n_lake(x4) & r_next(e2) & Actor(e2,x3) & v_foot(e2) & (x2 = x3) & n_stone(x2) & Actor(e1,x1) & v_jump(e1) & n_boy(x1))
exists e1 e2 p1 x1 x2 x3.(exists e3 s1.(a_in(s1) & Manner(e3,s1) & Actor(e3,x1) & v_fall(e3)) & Topic(e2,p1) & Actor(e2,x1) & v_may(e2) & on(e1,x3) & n_stone(x3) & Actor(e1,x2) & v_jump(e1) & (x1 = x2) & n_boy(x1))