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 beige vase is with some orange flowers in it is sitting at the edge of a tabe.
Example Output: tabe.

Example Input: A peson skiing on the snow covered mountain
Example Output: peson

Example Input: A ocean filled with boats floating by a beahc.
Example Output:
beahc.