A boy holds an instrument in a ramshackle classroom.
the boy does not play a instrument he sings instead
The boy is unlikely to not play an instrument while he holds an instrument
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_classroom(x3) & a_ramshackle(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_instrument(x2) & n_boy(x1))
exists x1.(n_male(x1) & n_boy(x1) & -exists e1 e2 s1 x2 x3.(a_instead(s1) & Manner(e2,s1) & Theme(e2,x2) & Actor(e2,x1) & v_play(e2) & Theme(e1,x3) & Actor(e1,x1) & v_sing(e1) & (x2 = x3) & n_instrument(x2)))