I live on the [blank_start]first[blank_end] (1º) floor and Susan lives on the [blank_start]thirteenth[blank_end] (13º) floor.
Peter lives on the [blank_start]second[blank_end] (2º) floor and Maria on the [blank_start]ninth[blank_end] (9º) floor.
Amanda and her dog lives on the [blank_start]fifth[blank_end] (5º) floor.