Everybody is watching carefully.
Everybody watches the performer
What they are watching is not shown; it may not be a performer.
all x1.(n_person(x1) -> exists e1 s1.(a_carefully(s1) & Manner(e1,s1) & Actor(e1,x1) & v_watch(e1)))
exists x2.(n_performer(x2) & all x1.(n_person(x1) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1))))