Two boys are onlooking during an outside classical music performance.
Two boys are watching their favorite orchestra at an outdoor concert.
Boys watching a classical music performance are not always watching their favorite orchestra.
exists e1 s1 s2 x1 x2 x3.(during(e1,x2) & n_performance(x2) & of(x2,x3) & n_music(x3) & a_classical(s2) & Theme(s2,x2) & a_outside(s1) & Theme(s1,x2) & Actor(e1,x1) & v_onlook(e1) & n_boy(x1) & card_eq_2(x1))
exists e1 s1 s2 x1 x2 x3.(at(e1,x3) & n_concert(x3) & a_outdoor(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_orchestra(x2) & a_favorite(s1) & Theme(s1,x2) & of(x2,x1) & n_thing(x1) & n_boy(x1) & card_eq_2(x1))