Three people- two on bikes and one walking- pass by a display of bright orange banners.
Two people are riding bike.
Two on bikes implies that two people are riding bikes.
exists s1 s2 s3 s4 x1 x2 x3 x4 x5 x6.(a_topic(s1) & subset_of(x3,s1) & by(x3,x4) & of(x4,x5) & n_banner(x5) & of(x5,x6) & n_orange(x6) & a_bright(s4) & Theme(s4,x5) & n_display(x4) & n_pass(x3) & a_walking-(s3) & Theme(s3,x3) & card_eq_1(x3) & subset_of(x1,s1) & on(x1,x2) & n_bike(x2) & n_thing(x1) & card_eq_2(x1) & a_people-(s2) & Theme(s2,x1) & card_eq_3(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_people(x1) & card_eq_2(x1))