Old food cannot have a location of some book. Rust is located at drain. Fungus is located at old food. Recursion is located at concert theater. Old food is located at drain. Drain is located at swim pool. Fungus cannot have a location of in nature. Fungus cannot have a location of some book. Swim pool is located at fitness center. White house cannot have a location of fitness center. White house cannot have a location of concert theater.
Old food cannot have a location of fitness center.