Performing some bike maintenance, the lady lubricates a frame before assembly is completed.
The bike is perfect with no need to maintain.
If the bike with no need to maintain, it needs no maintenance.
exists e1 e2 p1 x1 x2 x3 x4 x5.(n_lady(x4) & while(e2,e1) & exists e3 x6.(Theme(e3,x6) & v_complete(e3) & n_assembly(x6)) & before(e2,p1) & Theme(e2,x5) & Actor(e2,x4) & v_lubricate(e2) & n_frame(x5) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_maintenance(x2) & of(x2,x3) & n_bike(x3) & n_thing(x1))
exists s1 x1.(n_bike(x1) & -exists p1 x2.(with(s1,x2) & Topic(x2,p1) & exists e1.(Actor(e1,x2) & v_maintain(e1)) & n_need(x2)) & Theme(s1,x1) & a_perfect(s1))