An individual is launching his bicycle into the air.
A person rides a bike across the ground.
A bicycle in the air would not be on the ground.
exists e1 x1 x2 x3.(n_air(x3) & into(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_launch(e1) & n_bicycle(x2) & of(x2,x1) & n_male(x1) & n_individual(x1))
exists e1 x1 x2 x3.(n_ground(x3) & across(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_person(x1))