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: A litlte boy against a wall while holding a tennis ball and tennis racket.

A: litlte
****
Q: Empyt commercial building on a city street corner.

A: Empyt
****
Q: A griup of people standing in a parking lot as a man rides a bull.

A:
griup
****