Gardener digs through the dirt for potatoes.
A gardener looks for the biggest potato.
The fact that gardener digs for potatoes doesn't imply he is looking for the biggest potato.
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 e1 s1 x1 x2.(n_potato(x2) & r_most(s1) & a_biggest(s1) & Theme(s1,x2) & for(e1,x2) & Actor(e1,x1) & v_look(e1) & n_gardener(x1))