One man is working on a wristwatch while another checks his work.
two man never notice the health of public.
A man working on a wristwatch while another man checks his work does not constitute either man never noticing the health of the public.
exists e1 x1 x2 x3 x4 x5.(n_check(x2) & n_work(x3) & of(x3,x2) & n_male(x2) & while(e1,x5) & n_check(x5) & -(x5 = x2) & on(e1,x4) & n_wristwatch(x4) & Theme(e1,x3) & Actor(e1,x1) & v_work(e1) & n_man(x1) & card_eq_1(x1))
exists e1 s1 x1 x2 x3.(n_health(x2) & a_never(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_notice(e1) & of(x2,x3) & n_public(x3) & n_man(x1) & card_eq_2(x1))