A group of men who look uncomfortable on stage.
The men have to perform.
Men could be on a stage for any number of reasons without intending to perform. They could be a cleaning crew uncomfortable about the job ahead of them, or listening to a story told by someone else.
exists e1 p1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & exists s1 x4.(on(s1,x4) & n_stage(x4) & Theme(s1,x3) & a_uncomfortable(s1)) & Topic(e1,p1) & Actor(e1,x3) & v_look(e1) & (x2 = x3) & n_man(x2) & n_group(x1))
exists e1 p1 x1.(n_man(x1) & Topic(e1,p1) & Actor(e1,x1) & v_have(e1) & exists e2.(Actor(e2,x1) & v_perform(e2)))