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

Ex Input:
Sentence: 'a white bathroom with a stand alone sink and a shower curtain'. Replace the letter 'a' with 'm' in the sentence.

Ex Output:
m white bmthroom with m stmnd mlone sink mnd m shower curtmin


Ex Input:
Sentence: 'a black and white image of a vehicle that is decorated like a dog'. Replace the letter 'a' with 'p' in the sentence.

Ex Output:
p blpck pnd white impge of p vehicle thpt is decorpted like p dog


Ex Input:
Sentence: 'an iron bed and a tv outside covered in snow'. Replace the letter 'a' with 'x' in the sentence.

Ex Output:

xn iron bed xnd x tv outside covered in snow