Three men play an electric guitar, a saxophone, and a trumpet on stage.
The men are in a rock band.
You can not infer the band is rock.
exists e1 s1 x1 x2 x3 x4 x5 x6.(rel(e1,x3) & subset_of(x5,x3) & on(x5,x6) & n_stage(x6) & n_trumpet(x5) & subset_of(x4,x3) & n_saxophone(x4) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & a_electric(s1) & Theme(s1,x2) & n_man(x1) & card_eq_3(x1))
exists p1 x1.(n_man(x1) & exists x2 x3.(in(x1,x2) & n_band(x2) & of(x2,x3) & n_rock(x3)))