A couple, wearing helmets and backpacks, ride their bikes down a brick road.
Two people are outside.
Two people are a couple and a brick road is outside so if two people ride their bikes down a brick road they must be outside.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(down(e2,x7) & n_road(x7) & of(x7,x8) & n_brick(x8) & Theme(e2,x6) & Actor(e2,x1) & v_ride(e2) & n_bike(x6) & of(x6,x2) & n_thing(x2) & subset_of(x5,x1) & n_backpack(x5) & subset_of(x2,x1) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_helmet(x4) & (x2 = x3) & n_couple(x2))
exists s1 x1.(Theme(s1,x1) & a_outside(s1) & n_people(x1) & card_eq_2(x1))