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

Sentence: 'two knives are embedded in a wooden table'. Replace the letter 'a' with 'l' in the sentence.
two knives lre embedded in l wooden tlble

Sentence: 'a person under an open umbrella in the sand'. Replace the letter 'd' with 'h' in the sentence.
a person unher an open umbrella in the sanh

Sentence: 'five colorful boats docked on a river bank'. Replace the letter 'a' with 's' in the sentence.

five colorful bosts docked on s river bsnk