A man plays the drums with a serious expression.
The drummer has a lot on his mind.
It cannot be inferred that the man has a lot on his mind as he plays the drums.
exists e1 s1 x1 x2 x3.(n_drum(x2) & with(e1,x3) & n_expression(x3) & a_serious(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_man(x1))
exists e1 x1 x2 x3.(n_mind(x3) & of(x3,x1) & n_male(x1) & n_drummer(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & on(x2,x3) & n_lot(x2))