In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a giraffe walking in its natural habitat on the savannah'. Replace the letter 't' with 'u' in the sentence.

Answer: a giraffe walking in ius nauural habiuau on uhe savannah


Question: Sentence: 'a skier in the midst of a jump'. Replace the letter 'm' with 'd' in the sentence.

Answer: a skier in the didst of a judp


Question: Sentence: 'a bench in a park beside a walkway'. Replace the letter 'b' with 'l' in the sentence.

Answer:
a lench in a park leside a walkway