A young boy tosses his ball in the air outside.
There is nitrogen in the air.
Air outside implies there is nitrogen.
exists e1 s1 x1 x2 x3 x4.(n_outside(x3) & of(x3,x4) & n_air(x4) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_toss(e1) & n_ball(x2) & of(x2,x1) & n_male(x1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1 x3.(n_air(x3) & exists x2.((x1 = x2) & in(x2,x3) & n_nitrogen(x2)))