A boy bounces on a trampoline.
A 13 year old male is jumping.
The boy is not implied to being 13 years old.
exists e1 x1 x2.(on(e1,x2) & n_trampoline(x2) & Actor(e1,x1) & v_bounce(e1) & n_boy(x1))
exists e1 s1 x1 x2.(Actor(e1,x1) & v_jump(e1) & n_male(x1) & a_old(s1) & Theme(s1,x1) & of(x1,x2) & n_year(x2) & n_date(x1) & a_date_day_13(x1) & a_date_day_13(x1))