Four people making music with a collection of pokemon in the background.
The people are jamming for the first time.
People making music with pokemon in the background aren't necessarily jamming for the first time.
exists e1 x1 x2 x3 x4 x5 x6.(n_background(x6) & a_topic(x1) & in(e1,x6) & with(e1,x4) & of(x4,x5) & n_pokemon(x5) & n_collection(x4) & Theme(e1,x3) & Actor(e1,x2) & v_make(e1) & n_music(x3) & (x1 = x2) & n_people(x1) & card_eq_4(x1))
exists e1 s1 x1 x2.(n_time(x2) & a_first(s1) & Theme(s1,x2) & n_people(x1) & for(e1,x2) & Actor(e1,x1) & v_jam(e1))