Answer: Descriptive reasoning
Step-by-step explanation:
Descriptive reasoning is defined as process in which individuals describe the behavior,standards and attitude they follow and belief .People narrate about their objective through details and reasoning .It comes along with example to describe phenomenon and changes in it.
According to the situation of question, person is displaying descriptive reasoning because he examined the dance competition and then depicted that it should become or followed as sport by taking example of competition as the reason .