A man in a blue shirt is using his hands to play a large drum.
the man is driving his car
In the first sentence a man is using his hands to play a large drum while in the second a man is driving a car.
exists e1 p1 s1 x1 x2 x3.(Theme(e1,p1) & Recipient(e1,x3) & Actor(e1,x1) & v_use(e1) & exists e2 s2 x4.(Theme(e2,x4) & Actor(e2,x1) & v_play(e2) & n_drum(x4) & a_large(s2) & Theme(s2,x4)) & n_hand(x3) & of(x3,x1) & n_male(x1) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_car(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_drive(e1))