Two boys hold badminton rackets to the sky in a backyard.
The boys are outside.
boys in a backyard means they are outside
exists e1 x1 x2 x3 x4 x5.(n_sky(x4) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & to(x2,x4) & in(x4,x5) & n_backyard(x5) & n_racket(x2) & of(x2,x3) & n_badminton(x3) & n_boy(x1) & card_eq_2(x1))
exists s1 x1.(n_boy(x1) & Theme(s1,x1) & a_outside(s1))