Two people ridding a colorfully decorated bicycle.
A man and a woman riding a bike.
Not all two people are a man and a woman
exists e1 e2 x1 x2 x3.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_rid(e2) & n_bicycle(x3) & Theme(e1,x3) & v_decorate(e1) & r_colorfully(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & n_bike(x4) & (x2 = x3) & n_woman(x2) & subset_of(x1,s1) & n_man(x1))