Sekou refuses to quit smoking. Whenever the health risks associated with smoking are suggested as a reason he should quit, Sekou argues that smoking cannot be that unhealthy because his grandfather smoked his whole life and lived to be 98. Which of the following best describes Sekou’s argument?​


1) It is based on anecdotal evidence.

2) The fact about the grandfather is probably not true.


3) It is based on scientific evidence.


4) It is a valid point.