Two boys sit shirtless on a trampoline.
The boys are outside.
The two boys sitting shirtless are outside.
exists e1 s1 x1 x2.(on(e1,x2) & n_trampoline(x2) & a_shirtless(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_boy(x1) & card_eq_2(x1))
exists s1 x1.(n_boy(x1) & Theme(s1,x1) & a_outside(s1))