a person in pink pants playing a guitar
There is someone playing the clarinet.
guitar and clarinet are different instruments
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_guitar(x4) & (x2 = x3) & n_pants(x2) & a_pink(s1) & Theme(s1,x2) & n_person(x1))
exists p1 x1 x4.(n_clarinet(x4) & exists e1 x2 x3.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & (x2 = x3) & n_person(x2)))