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: Two nmen, one holding a book, looking off into the distance.

SOLUTION: nmen,

PROBLEM: A smqall yellow truck inside of a building.

SOLUTION: smqall

PROBLEM: A dek with a laptop, iMac, an extra monitor and a printer.

SOLUTION:
dek