A female singer performs with her guitar.
Guitarist plays her guitar.
a female singer is a guitarist and performs with is same as plays
exists s1 x1 x2 x3.(a_topic(x1) & with(x1,x3) & n_guitar(x3) & of(x3,x1) & n_female(x1) & n_perform(x1) & of(x1,x2) & n_singer(x2) & a_female(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_guitar(x2) & of(x2,x1) & n_female(x1) & ne_nam_guitarist(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))