The given sentence contains a typo which could be one of the following four types: (1) swapped letters of a word e.g. 'niec' is a typo of the word 'nice'. (2) missing letter in a word e.g. 'nic' is a typo of the word 'nice'. (3) extra letter in a word e.g. 'nicce' is a typo of the word 'nice'. (4) replaced letter in a word e.g 'nicr' is a typo of the word 'nice'. You need to identify the typo in the given sentence. To do this, answer with the word containing the typo.
--------
Question: a nuber of animals on a dirt ground next to a fence

Answer: nuber


Question: A perosn in a suit takes a photo of themselves in the mirror.

Answer: perosn


Question: Clolection of toy bears in a gift shop.

Answer:
Clolection