A man tests an instrument using his ears and hands.
He holds his instrument
the man tests an instrument while he holds his instrument
exists e2 e1 x1 x2 x3 x4 x5 x6.(Theme(e2,x2) & Actor(e2,x1) & v_test(e2) & Theme(e1,x4) & Actor(e1,x3) & v_use(e1) & n_hand(x6) & n_ear(x5) & subset_of(x6,x4) & subset_of(x5,x4) & of(x4,x1) & n_male(x1) & (x2 = x3) & n_instrument(x2) & n_man(x1))
exists e1 x1 x2.(n_instrument(x2) & of(x2,x1) & n_male(x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1))