Consider the following sentence: "I enjoy taking a walk in the rain." Which of the following statements in incorrect?

Creating a bag$-$of$-$words will show the most frequently used words in this sentence.

"I", $"$a$","$in$",$ "the" in this sentence would be considered as stop words.

After removing the stop words, the bigram method creates the vector: $[$ "enjoy", "taking", "walk", "rain"$]$

If we use a lexicon with emotion$-$word associations, the words "enjoy" could be assigned a positive sentiment$.$