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]: Thee are two cows standing on a grass field
[EX A]: Thee

[EX Q]: Two cars are stopped at a red light and transit buses are in the backround.
[EX A]: backround.

[EX Q]: The lunch was in a box and had carrots, berries, grapes and a sandwic.
[EX A]:
sandwic.