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 grey cat staring silted  at windw

SOLUTION: windw

PROBLEM: A kitchen with stainless steel appliances and granite counter tos.

SOLUTION: tos.

PROBLEM: A big geren Ford F250 Pickup truck parked in the city lot

SOLUTION:
geren