A boy in an orange shirt runs across a parking lot with graffiti on the wall behind him.
The boy is outside.
Parking lot implies outside, and boy in an orange shirt is a type of boy.
exists e1 x1 x2 x3 x4 x5 x6 x7.(n_male(x7) & n_wall(x7) & behind(e1,x7) & on(e1,x7) & with(e1,x6) & n_graffitus(x6) & across(e1,x4) & n_lot(x4) & of(x4,x5) & n_parking(x5) & Actor(e1,x1) & v_run(e1) & in(x1,x2) & n_shirt(x2) & of(x2,x3) & n_orange(x3) & n_boy(x1))
exists s1 x1.(n_boy(x1) & Theme(s1,x1) & a_outside(s1))