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.

[EX Q]: An eklderly woman celebrates her 90th birthday with a cake.
[EX A]: eklderly

[EX Q]: A coyple of men sitting next to each other at a table.
[EX A]: coyple

[EX Q]: A person itting in a chair watching a computer screen while playing a guitar.
[EX A]:
itting