function becomeGibberish(poem, wordToReplace, gibberish) {
for (let ii = 0; ii < poem.length; ii++) {
let word = poem[ii].replace(" ", "");
word = poem[ii].replace(".", "");
word = poem[ii].replace(",", "");
if (word.toLowerCase() == wordToReplace) {
if (poem[ii].includes(".")) {
gibberish = gibberish + "."
}
else if(poem[ii].includes(",")) {
gibberish = gibberish + ",";
}
if (/[A-Z]/.test(word[0])) {
poem[ii] = " <mark>" + RiTa.capitalize(gibberish) +"</mark> ";
} else {
poem[ii] = " <mark>" + gibberish +"</mark> ";
}
}
}
return poem.join(" ");
}