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 peerson riding a paddle boat on top of a wave in the ocean.
[A]: peerson


[Q]: Two ats sit inside of a full refrigerator, looking downward.
[A]: ats


[Q]: A preson eating a donut with a green icing on it.
[A]:
preson