When they did, the cat would be out of the House, they know there is a neighbor to feed the cats. When it went to so do, they need to feed the cat when they return home.
When they do not The cat is out of the house. Make them aware that there is a neighbor to feed the cat. When it came to Therefore, they must feed the cat again when they return home.
When they don't, cats are out of the house. Let them know that the neighbors to feed the cat. When he walked. So they have to feed the cat again when it home.