Guy in white fuzzy jacket plays guitar while a man in purple button up sings.
a guy with a guitar play with another who sings
Guy in white fuzzy jacket is a type of guy, and plays guitar implies with a guitar.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(ne_nam_guy(x1) & in(e1,x5) & up(x5,x7) & n_sing(x7) & n_button(x5) & of(x5,x6) & n_purple(x6) & while(e1,x4) & n_man(x4) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_guitar(x3) & in(x1,x2) & n_jacket(x2) & a_fuzzy(s2) & Theme(s2,x2) & a_white(s1) & Theme(s1,x2))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x2) & Actor(e1,x5) & v_sing(e1) & (x2 = x5) & with(x2,x4) & n_thing(x4) & n_play(x2) & of(x2,x3) & n_guitar(x3) & n_guy(x1))