A man in jeans and boots holds up a welding mask while working on a girder.
A woman in a dress works on the garden.
There can either be a man in jeans or a woman in a dress. One cannot simultaneous work on the garden and on a girder.
exists e1 e2 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 x1 x2 x3.(n_garden(x3) & on(e1,x3) & Actor(e1,x1) & v_work(e1) & in(x1,x2) & n_dress(x2) & n_woman(x1))