Three African Americans are in the middle of a muddy stream in a blue boat.
the group of people is trying to come out of mud
Not all people in the mud are trying to come out of it.
exists p1 s1 x1 x2.(n_middle(x2) & exists s2 s3 x3 x4.(in(x1,x2) & of(x2,x3) & in(x3,x4) & n_boat(x4) & a_blue(s3) & Theme(s3,x4) & n_stream(x3) & a_muddy(s2) & Theme(s2,x3)) & n_american(x1) & a_african(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 p1 x1 x2.(n_group(x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x3.(r_out(e2) & of(e2,x3) & n_mud(x3) & Actor(e2,x1) & v_come(e2)) & of(x1,x2) & n_people(x2))