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.

Example Input: A woman wapped in a blanket on a couch talking on a telephone with a TV remote control in her other hand
Example Output: wapped

Example Input: A dity bathroom stall with white toilet and papers
Example Output: dity

Example Input: A pu dog peeps out from the basket of a bicycle.
Example Output:
pu