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.

Q: Two vboys standing in front of a couch with Wii controllers.

A: vboys
****
Q: A Latop, t.v. and projection screen in the corner of a room.

A: Latop,
****
Q: A big biulding that looks like a modernized castle with a clock at the top of a tower.

A:
biulding
****