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

Sentence: 'a girl sitting in a chair eating a slice of pizza'. Replace the letter 'i' with 'x' in the sentence.
a gxrl sxttxng xn a chaxr eatxng a slxce of pxzza

Sentence: 'a red stop signed has been altered to say stop hate'. Replace the letter 'e' with 't' in the sentence.
a rtd stop signtd has bttn alttrtd to say stop hatt

Sentence: 'a toddler boy grinning as he holds a  toothbrush in his mouth'. Replace the letter 'n' with 'j' in the sentence.

a toddler boy grijjijg as he holds a  toothbrush ij his mouth