Sentence 1: I sat my groceries on the kitchen counter. 
 Sentence 3: I remembered I didn't get the mail 
 Sentence 4:  I searched for my keys for the mailbox 
 Sentence 5:  I retraced my steps and the keys were in the door 
 Option 1: I sat them next to the mail. 
 Option 2: I locked the inside back door.