Question with options: can we draw the following hypothesis from the context? 

Context:

A report by the AfricanElephant Specialist Group, which is responsible for monitoring the conservation of the elephants,concludes that elephant poaching has increased despite the 1989 international ban on ivory trading

Hypothesis: The ban on ivory trade has been effective in protecting the elephant from extinction.
Possible answers:
1). yes;
2). no;
A:
2).