A dirt biker soars above green trees with a blue, slightly cloudy sky in the background.
A person on a bike is in the air.
A dirt biker is a person and above the trees can be stated as in the air.
exists s1 s2 s3 s4 x1 x2 x3 x4 x5 x6.(n_background(x6) & a_topic(x1) & above(x1,x4) & with(x4,x5) & in(x5,x6) & n_sky(x5) & a_cloudy(s4) & Theme(s4,x5) & r_slightly(x5) & a_,(s3) & Theme(s3,x5) & a_blue(s2) & Theme(s2,x5) & n_tree(x4) & a_green(s1) & Theme(s1,x4) & n_soar(x1) & of(x1,x3) & n_biker(x3) & of(x1,x2) & n_dirt(x2))
exists p1 x1 x2 x3.(n_air(x3) & in(x1,x3) & on(x1,x2) & n_bike(x2) & n_person(x1))