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

Input: Consider Input: Sentence: 'a red train moves over snowy rail road tracks'. Replace the letter 'v' with 'w' in the sentence.

Output: a red train mowes ower snowy rail road tracks


Input: Consider Input: Sentence: 'a laptop computer attached to a large monitor'. Replace the letter 'a' with 'r' in the sentence.

Output: r lrptop computer rttrched to r lrrge monitor


Input: Consider Input: Sentence: 'the halloween display includes a spiderweb and lots of pumpkins'. Replace the letter 'i' with 'e' in the sentence.


Output: the halloween desplay encludes a spederweb and lots of pumpkens