Как переводиться which loor is ann on ? и she's on the third floor

Which floor is Ann on? — На каком этаже Энн?— [wɪʧ flɔːr ɪz æn ɒn]She\'s on the third floor.— Она на четвёртом этаже. —[ ʃiːz ɒn ðə θɜːd flɔː ]She lives on the third floor.She lives on the ground floor.She lives on the first floor.She lives on the fifth floor.