A totally unique medical imaging device that uses water to see inside the human body would be an example of a $\_\_\_\_\_\_,$ whereas a blood pressure monitor made by a company that makes stethoscopes would be an example of a $\_\_\_\_\_\_.$

Multiple choice question.

revamped product; product line extension

new$-$to$-$the$-$market product; new market entry

product line extension; new$-$to$-$the$-$market product

new market entry; revamped product