During a small summer celebration, two adults play the flute and the tuba.
During a small gathering, two people are playing some instruments.
Two adults play flute and tube implies they are people playing instruments.
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_tuba(x4) & n_flute(x3) & during(e1,x5) & n_celebration(x5) & of(x5,x6) & n_summer(x6) & a_small(s1) & Theme(s1,x5) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & subset_of(x4,x2) & subset_of(x3,x2) & n_adult(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(during(e1,x3) & n_gathering(x3) & a_small(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2) & n_people(x1) & card_eq_2(x1))