A man with a guitar is at a microphone while the drummer seems to be resting and the other guitarist has his back to him.
A group of friends are rehearsing for their prom concert.
resting doesn't always mean   rehearsing f
exists p1 p2 x1 x2 x4 x5 x6.(n_male(x4) & n_male(x4) & n_back(x6) & of(x6,x4) & -(x5 = x5) & n_guitarist(x5) & n_drummer(x4) & exists e2 e1 p3.(Theme(e2,x6) & Actor(e2,x5) & v_have(e2) & to(x6,x4) & Topic(e1,p3) & Actor(e1,x4) & v_seem(e1) & exists e3.(Actor(e3,x4) & v_rest(e3))) & while(p1,p2) & exists x3.(at(x1,x3) & n_microphone(x3)) & with(x1,x2) & n_guitar(x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(for(e1,x3) & n_concert(x3) & of(x3,x4) & n_prom(x4) & of(x3,x1) & n_thing(x1) & Actor(e1,x1) & v_rehearse(e1) & of(x1,x2) & n_friend(x2) & n_group(x1))