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: mant air planes on a run way with a sky background

SOLUTION: mant

PROBLEM: A bifg kite that is flying in the sky behind a light pole

SOLUTION: bifg

PROBLEM: A lirttle boy enjoying a slice of pepperoni pizza in a restaurant.

SOLUTION:
lirttle