Sentence 1: Jack has lost his cellphone. 
 Sentence 3: Jack was beginning to worry that he might never find it 
 Sentence 4:  He pulled his phone out of his pocket to call the phone to find it 
 Sentence 5:  Jack suddenly realized what an idiot he had been 
 Option 1: He has searched the entire house multiple times. 
 Option 2: He found it in the kitchen.