Two boys in underwear play in the water in the city street.
The water is muddy.
Just because the boys are in their underwear does not mean the water is muddy.
exists x1 x2 x3 x4 x5 x6.(n_street(x5) & of(x5,x6) & n_city(x6) & n_water(x4) & a_topic(x1) & in(x1,x2) & in(x2,x5) & in(x2,x4) & n_play(x2) & of(x2,x3) & n_underwear(x3) & n_boy(x1) & card_eq_2(x1))
exists s1 x1.(n_water(x1) & Theme(s1,x1) & a_muddy(s1))