An overhead view of two girls riding on bike.
Two girls are sking.
The two girls can't be skiing and riding bikes and skiing at the same time.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & on(e1,x4) & n_bike(x4) & Actor(e1,x3) & v_ride(e1) & (x2 = x3) & n_girl(x2) & card_eq_2(x2) & n_view(x1) & a_overhead(s1) & Theme(s1,x1))
exists e1 x1.(Actor(e1,x1) & v_sking(e1) & n_girl(x1) & card_eq_2(x1))