three people wearing mask sitting down
Three people are wearing masks.
The second sentence is less descriptive of the people than the first
exists e1 e2 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x4) & v_sit(e1) & (x3 = x4) & n_mask(x3) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_mask(x2) & n_people(x1) & card_eq_3(x1))