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

Ex Input:
Sentence: 'the airplane is parked on the runway for people to look at'. Replace the letter 'a' with 'e' in the sentence.

Ex Output:
the eirplene is perked on the runwey for people to look et


Ex Input:
Sentence: 'a group of people riding skis on a snowy surface'. Replace the letter 'p' with 'i' in the sentence.

Ex Output:
a groui of ieoile riding skis on a snowy surface


Ex Input:
Sentence: 'a woman that has a racquet and standing on a tennis court'. Replace the letter 't' with 'q' in the sentence.

Ex Output:

a woman qhaq has a racqueq and sqanding on a qennis courq