Three people are watching a man working.
Three people are talking about a man working.
Just because there is a group of people Watching something doesn't mean they are also talking about it.
exists e1 e2 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Actor(e1,x3) & v_work(e1) & (x2 = x3) & n_man(x2) & n_people(x1) & card_eq_3(x1))
exists e1 e2 x1 x2 x3.(about(e1,x2) & Actor(e2,x3) & v_work(e2) & (x2 = x3) & n_man(x2) & Actor(e1,x1) & v_talk(e1) & n_people(x1) & card_eq_3(x1))