Two females ride camels backs.
Two females enjoying a camel ride.
They are on the camel, but there isn't any information to indicate that they are enjoying it.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_back(x2) & of(x2,x3) & n_camel(x3) & n_female(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_enjoy(e1) & n_ride(x3) & of(x3,x4) & n_camel(x4) & (x1 = x2) & n_female(x1) & card_eq_2(x1))