A group of musicians are assembled to play music.
A group is assembled to read a story.
Playing music and reading a story are different activities to be done at the same time.
exists e1 p1 x1 x2 x3 x4.(Topic(e1,p1) & exists e2 x5.(Theme(e2,x5) & Actor(e2,x1) & v_play(e2) & n_music(x5)) & Theme(e1,x3) & v_assemble(e1) & of(x3,x4) & n_musician(x4) & n_group(x3) & of(x1,x2) & n_musician(x2) & n_group(x1))
exists e1 p1 x1 x2.(Topic(e1,p1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x1) & v_read(e2) & n_story(x3)) & Theme(e1,x2) & v_assemble(e1) & n_group(x2) & n_group(x1))