Many people in costume are riding their bikes in a public place.
All of the bikes have flat tires.
People cannot be riding their bikes if they have flat tires.
exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_place(x4) & a_public(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_bike(x3) & of(x3,x1) & n_thing(x1) & in(x1,x2) & n_costume(x2) & n_people(x1) & n_quantity(x1))
exists x2.(n_bike(x2) & all x1.(n_thing(x1) -> exists e1 s1 x3.(Theme(e1,x3) & Actor(e1,x1) & v_have(e1) & n_tire(x3) & a_flat(s1) & Theme(s1,x3) & of(x1,x2))))