A woman wearing pink pants is sitting on a chair and playing the bass guitar.
A child is playing guitar.
That a woman is playing the bass guitar means the person is an adult, which contradicts the statement a child is playing an instrument. The bass guitar and guitar are not the same instrument.
exists e4 e1 e3 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_guitar(x8) & of(x8,x9) & n_bass(x9) & Theme(e4,x8) & Actor(e4,x5) & v_play(e4) & Theme(e3,x7) & Actor(e3,x6) & v_wear(e3) & n_pants(x7) & a_pink(s2) & Theme(s2,x7) & (x5 = x6) & n_woman(x5) & on(e2,x4) & n_chair(x4) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_pants(x3) & a_pink(s1) & Theme(s1,x3) & (x1 = x2) & n_woman(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_child(x1))