A band is starting to warm up their instruments.
There is a music band with instruments
Bands imply that it is a music band.
exists e1 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_start(e1) & exists e2 s1.(a_up(s1) & Manner(e2,s1) & Theme(e2,x2) & Actor(e2,x1) & v_warm(e2)) & n_instrument(x2) & of(x2,x1) & n_thing(x1) & n_band(x1))
exists p1 x1 x2 x3 x4.((x1 = x2) & with(x2,x4) & n_instrument(x4) & n_band(x2) & of(x2,x3) & n_music(x3))