A woman inspects the engine of her car.
a mechanic tries to fix her car
A woman might not be a mechanic.  A woman looking at her engine might not intend to fix it.
exists e1 x1 x2 x3.(n_car(x3) & of(x3,x2) & n_female(x2) & n_engine(x2) & Theme(e1,x2) & Actor(e1,x1) & v_inspect(e1) & of(x2,x3) & n_woman(x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 s1 x2.(Theme(e2,x2) & Actor(e2,x1) & v_fix(e2) & n_car(x2) & a_she(s1) & Theme(s1,x2)) & n_mechanic(x1))