Sentence 1: Rex played poker once a week with his friends, all but Alex. 
 Sentence 3: Rex explained the game and told everyone to go easy 
 Sentence 4:  Alex won the whole pot within an hour, shocking everyone but himself 
 Sentence 5:  Alex had really been training for Year's to pull of his biggest bluff 
 Given Sentence 2: One day, Gwen met Blake.