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

Example Input: Sentence: 'a woman in a dining-room holding a knife, cutting a cake on the table'. Replace the letter 'i' with 'p' in the sentence.
Example Output: a woman pn a dpnpng-room holdpng a knpfe, cuttpng a cake on the table

Example Input: Sentence: 'a child holding a tv remote like a phone'. Replace the letter 'i' with 'b' in the sentence.
Example Output: a chbld holdbng a tv remote lbke a phone

Example Input: Sentence: 'a boy is practicing a jump on a skateboard'. Replace the letter 'i' with 'o' in the sentence.
Example Output:
a boy os practocong a jump on a skateboard