Three naked little boys are playing in a river and are covered in mud; one is standing up.
the boys had no clothes on in the river
The boys that had no clothes on in the river are playing in it and are covered in mud while one is standing up.
exists e2 e1 e3 s1 s2 s3 s4 s5 x1 x2 x3 x4 x5.(a_up(s5) & Manner(e3,s5) & Actor(e3,x5) & v_stand(e3) & n_thing(x5) & card_eq_1(x5) & in(e2,x4) & n_mud(x4) & Theme(e2,x3) & v_cover(e2) & n_boy(x3) & a_little(s4) & Theme(s4,x3) & a_naked(s3) & Theme(s3,x3) & card_eq_3(x3) & in(e1,x2) & n_river(x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & a_little(s2) & Theme(s2,x1) & a_naked(s1) & Theme(s1,x1) & card_eq_3(x1))
exists x1 x4.(n_river(x4) & n_boy(x1) & -exists e1 s1 x2 x3.(in(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & Theme(s1,x3) & a_on(s1) & (x2 = x3) & n_clothes(x2)))