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.

Q: A chiocolate cake with several slices already gone.

A: chiocolate
****
Q: A wonen who is holding a small child in a room with lots of luggage.

A: wonen
****
Q: The signs line the streets of Chinatown, each advertising a busineas.

A:
busineas.
****