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.
--------
Question: A spiotted dog laying on top of a red couch.

Answer: spiotted


Question: A peeson taking a photo through a window at a living room.

Answer: peeson


Question: A colorful small airplane in a grassy fiedl.

Answer:
fiedl.