Gardener digs through the dirt for potatoes.
A gardener plants tomatoes.
planting tomatoes is not the same as digging through dirt for potatoes
exists e1 x1 x2 x3.(n_dirt(x2) & ne_nam_gardener(x1) & for(e1,x3) & n_potato(x3) & through(e1,x2) & Actor(e1,x1) & v_dig(e1))
exists x1 x2 x3.(a_topic(x1) & Time(x1,x3) & n_tomato(x3) & n_plant(x1) & of(x1,x2) & n_gardener(x2))