Sentence 1: Irene was in the school choir. 
 Sentence 3: Her teacher called her aside and said he wanted Irene to sing a solo 
 Sentence 4:  Irene was thrilled but nervous, and she practiced for days 
 Sentence 5:  On concert night, everyone agreed Irene sang wonderfully! 
 Option 1: They were performing a concert that weekend, but it was cancelled. 
 Option 2: They were performing a concert that weekend.