Fix any errors that you see in the following sentences, changing spelling and adding or deleting apostrophes and the letter "s" as needed. Write OK by any sentence that is correct as it is.
1. Annette's cat, Samantha, recently had kittens.
2. The kittens' eyes have just opened. [Multiple kittens.]
3. Susan's and Cathy's apartment is small but attractive.
4. John's and Melody's homes are next door to each other.
5. The children's toys were scattered all over the floor.