A dark-haired man and a little boy use screwdrivers to work on screen door.
The two males are different ages.
The words "man" and "boy" are descriptors for males of two different ages.
exists p1 s1 s2 s3 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & Topic(x2,p1) & exists e1 x5 x6.(on(e1,x5) & n_door(x5) & of(x5,x6) & n_screen(x6) & Actor(e1,x2) & v_work(e1)) & n_screwdriver(x2) & of(x2,x4) & n_use(x4) & of(x2,x3) & n_boy(x3) & a_little(s3) & Theme(s3,x2) & subset_of(x1,s1) & n_man(x1) & a_dark-haired(s2) & Theme(s2,x1))
exists p1 x1 x3.(n_age(x3) & n_male(x1) & card_eq_2(x1) & exists x2.((x1 = x2) & -(x2 = x3) & n_age(x2)))