A man and three children riding a bike with four seats.
A man and his three daughters are riding a bike.
Three children could be either boys or girls or both so it can not be assumed that they are daughters.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & with(e1,x5) & n_seat(x5) & card_eq_4(x5) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & n_bike(x4) & (x2 = x3) & n_child(x2) & card_eq_3(x2) & subset_of(x1,s1) & n_man(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_ride(e1) & n_bike(x4) & subset_of(x3,x1) & n_daughter(x3) & card_eq_3(x3) & of(x3,x2) & n_male(x2) & subset_of(x2,x1) & n_man(x2))