Mothers with children talking at a gathering.
The mothers are yelling at the children.
Talking is not the same as yelling.
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & at(e1,x4) & n_gathering(x4) & Actor(e1,x3) & v_talk(e1) & (x2 = x3) & n_child(x2) & n_mother(x1))
exists e1 x1 x2.(n_child(x2) & n_mother(x1) & at(e1,x2) & Actor(e1,x1) & v_yell(e1))