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

Example Input: Sentence: 'it pays a cat to be suspicious of what your owner tries to feed you'. Replace the letter 'o' with 'g' in the sentence.
Example Output: it pays a cat tg be suspicigus gf what ygur gwner tries tg feed ygu

Example Input: Sentence: 'a herd of cattle standing on a lush green field'. Replace the letter 'g' with 'f' in the sentence.
Example Output: a herd of cattle standinf on a lush freen field

Example Input: Sentence: 'an open laptop equipped with a webcam in front of a television'. Replace the letter 'o' with 'm' in the sentence.
Example Output:
an mpen laptmp equipped with a webcam in frmnt mf a televisimn