Three women enjoying a balloon joyride.
Three women are on a balloon ride.
If three women are enjoying a balloon joyride it can be deducted that they are on a balloon ride, 'are on' is a rephrasing of 'enjoying' without detailing the women's feelings.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_enjoy(e1) & n_joyride(x3) & of(x3,x4) & n_balloon(x4) & (x1 = x2) & n_woman(x1) & card_eq_3(x1))
exists p1 x1.(exists x2 x3.(on(x1,x2) & n_ride(x2) & of(x2,x3) & n_balloon(x3)) & n_woman(x1) & card_eq_3(x1))