posted by Liz .
Cathy owes six overdue movies to her local video store. Since each of Cathy’s overdue videos is a comedy, only comedies are currently overdue at Cathy’s local video store.
Which one of the following premises, if added to the statements above, would allow the conclusion to be valid? (Points : 1)
Cathy’s local video store is the only video store she rents videos from.
Cathy’s local video store rents other kinds of movies besides comedies.
Cathy is the only person who owes overdue videos to her local video store.
Cathy does not owe overdue movies to any video store besides her local video store.