A large group of people look as if they are in a band, and they are practicing classical music with guitars, violins, and cellos.
A large group of people are playing instruments.
Practicing classical music with guitars, violins, and cellos is playing instruments.
exists e1 e2 p1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(Theme(e2,x4) & Actor(e2,x3) & v_practice(e2) & subset_of(x7,x4) & n_cello(x7) & subset_of(x3,x4) & with(x3,x5) & rel(x5,x6) & n_violin(x6) & n_guitar(x5) & n_music(x3) & a_classical(s2) & Theme(s2,x3) & n_thing(x3) & n_thing(x3) & exists p2 x8.(in(x3,x8) & n_band(x8)) & as(e1,p1) & Actor(e1,x1) & v_look(e1) & of(x1,x2) & n_people(x2) & n_group(x1) & a_large(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_instrument(x3) & of(x1,x2) & n_people(x2) & n_group(x1) & a_large(s1) & Theme(s1,x1))