A young boy, wearing a red sports uniform, stands in the middle of an empty sports field under a dark blue sky.
A boy stands outside.
Both sentence are talking about a boy, and to stand in a middle of sports field means you are outside..
exists e2 e1 s1 s2 s3 s4 s5 x1 x2 x3 x4 x5 x6 x7 x8.(n_middle(x5) & under(e2,x8) & n_sky(x8) & a_blue(s5) & Theme(s5,x8) & a_dark(s4) & Theme(s4,x8) & in(e2,x5) & of(x5,x6) & n_field(x6) & of(x6,x7) & n_sport(x7) & a_empty(s3) & Theme(s3,x6) & Actor(e2,x1) & v_stand(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_uniform(x3) & of(x3,x4) & n_sport(x4) & a_red(s2) & Theme(s2,x3) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_outside(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_stand(e1) & n_boy(x1))