A group of schoolgirls in matching uniforms and knee socks walk down a sidewalk.
A group of schoolboys in matching uniforms walk down a sidewalk.
The schoolboys contradicts the school girls.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(down(e2,x7) & n_sidewalk(x7) & Actor(e2,x1) & v_walk(e2) & of(x1,x2) & subset_of(x5,x2) & n_sock(x5) & of(x5,x6) & n_knee(x6) & subset_of(x3,x2) & in(x3,x4) & n_uniform(x4) & Actor(e1,x4) & v_match(e1) & n_schoolgirl(x3) & n_group(x1))
exists e1 s1 x1 x2 x3 x4.(down(e1,x4) & n_sidewalk(x4) & Actor(e1,x1) & v_walk(e1) & in(x1,x3) & n_uniform(x3) & a_matching(s1) & Theme(s1,x3) & of(x1,x2) & n_schoolboy(x2) & n_group(x1))