A singer in a white button-down shirt is performing while a girl plays the guitar in the back.
The couple enjoys performing together.
Just because they singer and guitar player are performing together does not indicate the couple enjoys it.
exists e1 p1 s1 s2 x1 x2 x4 x5.(n_back(x5) & n_guitar(x4) & exists e2 x3.(in(e2,x5) & Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & n_girl(x3)) & while(e1,p1) & Actor(e1,x1) & v_perform(e1) & in(x1,x2) & n_shirt(x2) & a_button-down(s2) & Theme(s2,x2) & a_white(s1) & Theme(s1,x2) & n_singer(x1))
exists e1 p1 x1.(n_couple(x1) & exists e2 s1.(a_together(s1) & Manner(e2,s1) & Actor(e2,x1) & v_perform(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_enjoy(e1))