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.

Input: Consider Input: A lady lpaying tennis in front of many spectators.

Output: lpaying


Input: Consider Input: Frehs grilled chicken breast on bread with a slice of lemon and lime as a garnish.

Output: Frehs


Input: Consider Input: A re and white train is going into a tunnel.


Output: re