A man operating a tractor.
The man is driving the tractor so he can work faster.
Answer : Just because the man wants the tractor to work fast does not mean he must drive it
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_operate(e1) & n_tractor(x3) & (x1 = x2) & n_man(x1))
exists e1 p1 x1 x2.(n_male(x2) & n_tractor(x2) & n_man(x1) & exists e2 p2.(exists e3 s1.(a_faster(s1) & Manner(e3,s1) & Actor(e3,x2) & v_work(e3)) & Topic(e2,p2) & Actor(e2,x2) & v_can(e2)) & so(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_drive(e1))