TASK DEFINITION: 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.
PROBLEM: a tarin doing down a track at night

SOLUTION: tarin

PROBLEM: Peolpe are sitting on a couch holding Wii controllers.

SOLUTION: Peolpe

PROBLEM: A man carrying a surf board that looks like it was splattered with pint.

SOLUTION:
pint.