Abby, Bret, Carl, and Dana are sitting in a row of four seats numbered $$1$$ to $$4$$. Joe looks at them and says:  "Bret is next to Carl."  "Abby is between Bret and Carl."  However, all of Joe\textquotesingle s statements are false. Bret is actually sitting in the seat $$3$$. Who is sitting in seat the $$2$$? ． 
Overseas Competition->Knowledge Point->Counting Modules->Permutations and Combinations->Combinations
We know that Carl does not sit next to Bret, so he must sit in seat $$1$$. Since Abby is not between Bret and Carl, she must sit in seat $$4$$. Finally, Dana has to take the last seat available, which is $$2$$. 