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

Ex Input:
Sentence: 'a woman holding the arm of a life size teddy bear in a guard outfit'. Replace the letter 'g' with 'a' in the sentence.

Ex Output:
a woman holdina the arm of a life size teddy bear in a auard outfit


Ex Input:
Sentence: 'a bathroom with a white toilet next to a large window'. Replace the letter 'w' with 'x' in the sentence.

Ex Output:
a bathroom xith a xhite toilet next to a large xindox


Ex Input:
Sentence: 'group of people playing soccer on a soccer field'. Replace the letter 'o' with 'l' in the sentence.

Ex Output:

grlup lf pelple playing slccer ln a slccer field