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: Appes and various jars of food products sit on shelves.

SOLUTION: Appes

PROBLEM: A man that is holding a pair of sherrs.

SOLUTION: sherrs.

PROBLEM: Small birds are perched on a rope that is stretched out to form a lin.

SOLUTION:
lin.