Some construction workers are taking a break.
Construction workers are sitting and eating lunch.
Just because some construction workers are taking a break does not imply they are sitting and eating lunch.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & n_break(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists e1 e2 x1 x2 x3 x4 x5.(Theme(e2,x5) & Actor(e2,x3) & v_eat(e2) & n_lunch(x5) & n_worker(x3) & of(x3,x4) & n_construction(x4) & Actor(e1,x1) & v_sit(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2))