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

Q: Sentence: 'a bike sitting parked next to a cart in front of some boxes'. Replace the letter 't' with 'x' in the sentence.

A: a bike sixxing parked nexx xo a carx in fronx of some boxes
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Q: Sentence: 'a memorial with various plaques and american flags on it'. Replace the letter 'a' with 'k' in the sentence.

A: k memorikl with vkrious plkques knd kmerickn flkgs on it
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Q: Sentence: 'a couch, footrest, tv and other furniture are arranged in a living room'. Replace the letter 'o' with 'g' in the sentence.

A:
a cguch, fggtrest, tv and gther furniture are arranged in a living rggm
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