A cyclist is performing a jump by some trees.
the cyclist is midair
performing a jump means midair.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & by(x2,x3) & n_tree(x3) & n_jump(x2) & n_cyclist(x1))
exists p1 x1.(n_cyclist(x1) & exists x2.((x1 = x2) & n_midair(x2)))