A man and a woman are working on the wheel of a vehicle.
A husband and wife are working on their car tire
The man and woman are not necessarily husband and wife, and they are not necessarily working on their car tire.
exists e1 x1 x2 x3 x4 x5.(n_wheel(x4) & on(e1,x4) & of(x4,x5) & n_vehicle(x5) & Actor(e1,x1) & v_work(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 x1 x2 x3 x4 x5.(on(e1,x4) & n_tire(x4) & of(x4,x5) & n_car(x5) & of(x4,x2) & n_thing(x2) & Actor(e1,x1) & v_work(e1) & n_wife(x3) & n_husband(x2) & subset_of(x3,x1) & subset_of(x2,x1))