Members of a brass band look at their sheet music.
A brass band is about to play for a crowd.
Members of a brass band looking at their sheet music does not imply they are about to play for a crowd.
exists x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & at(x2,x5) & n_music(x5) & of(x5,x6) & n_sheet(x6) & of(x5,x1) & n_thing(x1) & n_look(x2) & of(x2,x4) & n_band(x4) & of(x2,x3) & n_brass(x3) & n_member(x1))
exists p1 s1 x1 x2.(Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e1 x3.(for(e1,x3) & n_crowd(x3) & Actor(e1,x1) & v_play(e1)) & n_band(x1) & of(x1,x2) & n_brass(x2))