Sentence 1: Joe was falsely accused of stealing from his employer's cash register. 
 Sentence 3: Joe was very nervous but he passed the polygraph 
 Sentence 4:  Joe's employer never apologized for accusing Joe of the theft 
 Sentence 5:  Joe quit that job because the employer had such poor people skills 
 Option 1: Joe refused to take a polygraph test. 
 Option 2: His employer scheduled Joe for a polygraph test.