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

Input: Consider Input: Sentence: 'a herd of zebra grazing in a lush green field'. Replace the letter 'h' with 'j' in the sentence.

Output: a jerd of zebra grazing in a lusj green field


Input: Consider Input: Sentence: 'a family opens gifts in a room with their dog, while sitting on couches'. Replace the letter 's' with 'l' in the sentence.

Output: a family openl giftl in a room with their dog, while litting on couchel


Input: Consider Input: Sentence: 'a woman sitting on a bench under a gazebo'. Replace the letter 's' with 'u' in the sentence.


Output: a woman uitting on a bench under a gazebo