Children standing, watching, and listening to a musician outside.
A musician is watching children sit.
children sit is contradictory to children standing
exists e2 e1 x1 x2 x3 x4 x5 x6.(to(e2,x5) & n_outside(x5) & of(x5,x6) & n_musician(x6) & Actor(e2,x3) & v_listen(e2) & n_standing(x3) & (x3 = x4) & ne_nam_children(x4) & Actor(e1,x1) & v_watch(e1) & n_standing(x1) & (x1 = x2) & ne_nam_children(x2))
exists e2 e1 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_child(x2) & n_musician(x1))