Four musicians, wearing Scottish garments, are playing instruments on the street- two accordion, one horn, and one clarinet.
The musicians are friends.
Just because there are four musicians doesn't mean they are friends.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_clarinet(x7) & card_eq_1(x7) & n_horn(x6) & card_eq_1(x6) & subset_of(x7,x5) & subset_of(x6,x5) & r_,(x5) & n_accordion(x4) & card_eq_2(x4) & a_street-(s1) & Theme(s1,x4) & subset_of(x5,x3) & subset_of(x4,x3) & for(e1,e2) & Theme(e2,x8) & Actor(e2,x1) & v_wear(e2) & n_garment(x8) & (x8 = x9) & ne_nam_scottish(x9) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2) & n_musician(x1) & card_eq_4(x1))
exists p1 x1.(n_musician(x1) & exists x2.((x1 = x2) & n_friend(x2)))