A man in the kneeling position playing the violin.
A man stands and plays the flute.
Kneeling and stands are different.
exists e1 e2 x1 x2 x3 x4.(n_violin(x4) & n_position(x2) & Actor(e1,x2) & v_kneel(e1) & a_topic(x1) & in(x1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & (x2 = x3) & n_man(x1))
(x)