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 man satnding in a muscle man post holding a snow board.

Answer: satnding


Question: A city street has cars and buses with a green traffic light near a street sifgn.

Answer: sifgn.


Question: A doble decker bus is traveling down a street.

Answer:
doble