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 whiet van is covered with graffiti as it's parked near a curb.

SOLUTION: whiet

PROBLEM: a rart eating a green apple near a brown wooden chair.

SOLUTION: rart

PROBLEM: A room with archesd ceiling and four adults sitting on a couch with laptops in lap, one man sitting behind with a laptop, and a male sitting on the back of the couch looking at a cell phone in his hand.

SOLUTION:
archesd