A man that is wearing a balloon hat while making another.
A man wearing a top hat eats sushi at a sushi bar.
A balloon hat and top hat are different hats. A person cannot eat sushi while also making balloon hats.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & while(e1,e2) & Theme(e2,x5) & Actor(e2,x2) & v_make(e2) & n_thing(x5) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & of(x3,x4) & n_balloon(x4) & (x1 = x2) & n_man(x1))
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(at(e2,x5) & n_bar(x5) & of(x5,x6) & n_sushi(x6) & Theme(e2,x4) & Actor(e2,x1) & v_eat(e2) & n_sushi(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & a_top(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))