Children are playing with baseball bats.
Sad children are playing with baseball bats.
The children are not necessarily sad.
exists e1 x1 x2 x3.(with(e1,x2) & n_bat(x2) & of(x2,x3) & n_baseball(x3) & Actor(e1,x1) & v_play(e1) & n_child(x1))
exists e1 x1 x2 x3 x4.(with(e1,x3) & n_bat(x3) & of(x3,x4) & n_baseball(x4) & Actor(e1,x1) & v_play(e1) & n_child(x1) & (x1 = x2) & ne_nam_sad(x2))