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 tebnnis player is making a serve in a tennis match.
[A]: tebnnis


[Q]: A ruasted-out farm truck in a mountain field beside trees.
[A]: ruasted-out


[Q]: a grioup of small dogs are staring out of the window
[A]:
grioup