A group of people are performing on stage.
Women are sewing sweaters.
Performing on stage is an activity that is different from sewing sweaters, and the people could not be doing both simultaneously.
exists e1 x1 x2 x3.(on(e1,x3) & n_stage(x3) & Actor(e1,x1) & v_perform(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_sew(e1) & n_sweater(x2) & n_woman(x1))