a group of band members doing a routine
The men are chatting with each other
you can not be chatting while doing a routine
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & Theme(e1,x5) & Actor(e1,x4) & v_do(e1) & n_routine(x5) & (x2 = x4) & n_member(x2) & of(x2,x3) & n_band(x3) & n_group(x1))
exists e1 x1.(n_man(x1) & all x2.(n_other(x2) -> with(e1,x2)) & Actor(e1,x1) & v_chat(e1))