Two people are tandem skydiving over a body of water.
There are people in the air.
Skydiving implies that the people are in the air
exists e1 p1 x1.(exists e2 x2 x3.(over(e2,x2) & of(x2,x3) & n_water(x3) & n_body(x2) & Actor(e2,x1) & v_skydive(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_tandem(e1) & n_people(x1) & card_eq_2(x1))
exists p1 x1 x2.(n_air(x2) & in(p1,x2) & exists x3.((x1 = x3) & n_people(x3)))