Two guys in blue shirts are standing on top of a construction surface doing construction work.
Two men are on break at a restaurant
Cannot be "doing work" while "being on a break."  Cannot be "on construction surface" and "at a restaurant" at the same time.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8.(on(e1,x3) & of(x3,x4) & Theme(e2,x7) & Actor(e2,x6) & v_do(e2) & n_work(x7) & of(x7,x8) & n_construction(x8) & (x4 = x6) & n_surface(x4) & of(x4,x5) & n_construction(x5) & n_top(x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_guy(x1) & card_eq_2(x1))
exists p1 x1 x2.(at(p1,x2) & n_restaurant(x2) & exists x3.(on(x1,x3) & n_break(x3)) & n_man(x1) & card_eq_2(x1))