Two musicians are entertaining people in a city park, the flute player is wearing a blue feather boa.
The musicians are both playing trombone.
If one musician is playing flute, both cannot be playing trombone.
exists p1 x1 x5 x6.(n_player(x5) & of(x5,x6) & n_flute(x6) & exists p2 s1 x2 x3 x4.((x1 = x2) & in(x2,x3) & exists e1 s2 x7 x8.(Theme(e1,x7) & Actor(e1,x5) & v_wear(e1) & n_boa(x7) & of(x7,x8) & n_feather(x8) & a_blue(s2) & Theme(s2,x7)) & that(x3,p2) & n_park(x3) & of(x3,x4) & n_city(x4) & n_people(x2) & a_entertaining(s1) & Theme(s1,x2)) & n_musician(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_musician(x1) & a_both(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_trombone(x2))