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

Ex Input:
Sentence: 'a person on a surfboard riding in ocean waves'. Replace the letter 's' with 'g' in the sentence.

Ex Output:
a pergon on a gurfboard riding in ocean waveg


Ex Input:
Sentence: 'a woman is playing tennis on the tennis court'. Replace the letter 'r' with 'z' in the sentence.

Ex Output:
a woman is playing tennis on the tennis couzt


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

Ex Output:

p white kitchen with bottles pnd pots on the counter