A boy jumps on a stone footing next to a lake.
A boy is playing with his friends
Not all boy jumping on a stone footing next to a lake with his friends.
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 x1 x2.(with(e1,x2) & n_friend(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_play(e1) & n_boy(x1))