A man in a yellow helmet looks up, while people on the bridge watch.
The man's head is protected.
man in helmet looks up means man's head is protected
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_watch(x4) & of(x4,x5) & n_bridge(x5) & on(e1,x4) & while(e1,x3) & n_people(x3) & a_up(s2) & Manner(e1,s2) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_helmet(x2) & a_yellow(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_head(x2) & of(x2,x1) & n_man(x1) & Theme(e1,x2) & v_protect(e1))