Someone has trained the dog well.
This dog can do tricks.
Just because a dog is well trained doesn't imply the dog can do tricks.
exists e1 s1 x1 x2.(n_dog(x2) & a_well(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_train(e1) & n_person(x1))
exists e1 p1 x1.(n_dog(x1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_do(e2) & n_trick(x2)) & Topic(e1,p1) & Actor(e1,x1) & v_can(e1))