In this task, you need to replace a letter in the sentence with another given letter.

Input: Consider Input: Sentence: 'a white kitchen with bottles and pots on the counter'. Replace the letter 'a' with 'p' in the sentence.

Output: p white kitchen with bottles pnd pots on the counter

Input: Consider Input: Sentence: 'a couple of kids are sitting in a field'. Replace the letter 't' with 'v' in the sentence.

Output: a couple of kids are sivving in a field

Input: Consider Input: Sentence: 'a cat has keys, a channel selector, a bottle and a cell phone sitting on his back'. Replace the letter 't' with 'o' in the sentence.
Output: a cao has keys, a channel selecoor, a booole and a cell phone siooing on his back