Four men concentrating in an office setting.
Four people focusing on work.
Concentrating is focusing
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_setting(x3) & of(x3,x4) & n_office(x4) & Actor(e1,x2) & v_concentrate(e1) & (x1 = x2) & n_man(x1) & card_eq_4(x1))
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_work(x3) & Actor(e1,x2) & v_focus(e1) & (x1 = x2) & n_people(x1) & card_eq_4(x1))