A man in jeans and boots holds up a welding mask while working on a girder.
A man is very busy working.
Though working it does not mean he is very busy.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7.(while(e1,e2) & on(e2,x7) & n_girder(x7) & Actor(e2,x1) & v_work(e2) & a_up(s1) & Manner(e1,s1) & Theme(e1,x5) & Actor(e1,x1) & v_hold(e1) & n_mask(x5) & of(x5,x6) & n_welding(x6) & in(x1,x2) & n_boot(x4) & n_jeans(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_man(x1))
exists e1 s1 x1.(for(s1,e1) & Actor(e1,x1) & v_work(e1) & r_very(s1) & Theme(s1,x1) & a_busy(s1) & n_man(x1))