Please help me with this question

Select the rebuttal statement that best refutes the viewpoint in section one. a) it is necessary to oversee the athletes involved in mixed martial arts. b) it is unnecessary to oversee the athletes involved in mixed martial arts. c) it is necessary for athletes involved in mixed martial arts to self-regulate. d) one distinctive feature of mixed martial arts is the combination of various techniques.

Which tone best fits a business letter

What type of literary device is demonstrated in this passage from the monkeys paw father and son