People enjoy a horse draw open carriage in the rain.
People are out in the rain.
Since the carriage is open and it's raining, the people would have to be out in the rain.
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_rain(x6) & in(e1,x6) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & Time(s1,x5) & n_carriage(x5) & Theme(s1,x4) & a_open(s1) & (x2 = x4) & n_draw(x2) & of(x2,x3) & n_horse(x3) & n_people(x1))
exists s1 x1 x2.(n_rain(x2) & in(s1,x2) & Theme(s1,x1) & a_out(s1) & n_people(x1))