A skater leaps through the air near a railing
A person is in midair.
A skater is a person, leaps through the air implies he is in midair.
exists e1 x1 x2 x3.(n_air(x2) & through(e1,x2) & near(x2,x3) & n_railing(x3) & Actor(e1,x1) & v_leap(e1) & n_skater(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_midair(x2)) & n_person(x1))