A man and woman are working on replacing a bike tire tube.
A man and a woman are working on replacing a bike tire tube in order to sell the bike.
Just because a man and woman are working on replacing a bike tire tube doesn't mean they are doing it to sell the bike.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(on(e1,e2) & Theme(e2,x5) & Actor(e2,x4) & v_replace(e2) & n_tube(x5) & of(x5,x7) & n_tire(x7) & of(x5,x6) & n_bike(x6) & Actor(e1,x1) & v_work(e1) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e2 e1 p1 x1 x2 x3 x4 x5 x6 x7 x8.(on(e1,e2) & n_order(x8) & Topic(e2,p1) & exists p2 e3.(Theme(e3,x6) & Actor(e3,x4) & v_sell(e3)) & n_bike(x6) & n_bike(x6) & in(e2,x8) & Theme(e2,x5) & Actor(e2,x4) & v_replace(e2) & n_tube(x5) & of(x5,x7) & n_tire(x7) & of(x5,x6) & Actor(e1,x1) & v_work(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))