A man in a blue shirt is leading children.
the man is asleep on the bridge
the man cannot be leading children if he is asleep.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_lead(e1) & n_child(x3) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists s1 x1 x2.(n_bridge(x2) & n_man(x1) & on(s1,x2) & Theme(s1,x1) & a_asleep(s1))