In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a memorial with various plaques and american flags on it'. Replace the letter 'a' with 'k' in the sentence.

Answer: k memorikl with vkrious plkques knd kmerickn flkgs on it


Question: 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.

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


Question: Sentence: 'a woman raising her racket to hit a tennis ball'. Replace the letter 'a' with 'b' in the sentence.

Answer:
b wombn rbising her rbcket to hit b tennis bbll