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

Input: Consider Input: Sentence: 'this poster is advertising high performance with a girl riding a bicycle and some taxis on the street'. Replace the letter 't' with 'f' in the sentence.

Output: fhis posfer is adverfising high performance wifh a girl riding a bicycle and some faxis on fhe sfreef


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

Output: a herd of cattle standinf on a lush freen field


Input: Consider Input: Sentence: 'street lights with another large sign sitting next to it'. Replace the letter 'e' with 'g' in the sentence.


Output: strggt lights with anothgr largg sign sitting ngxt to it