Man wearing a jacket while welding.
The man is petting a kitten.
wearing and petting are different actions
exists e2 e1 x1 x2 x3.(a_topic(x1) & while(e1,e2) & Actor(e2,x2) & v_weld(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_jacket(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_pet(e1) & n_kitten(x2))