The correct answer is B. The first sentence refers to a general proposition - <em>all combative sports should be strictly monitored</em> - and then it specifies that the Ultimate Fighting Championship (UFC) should fall into a category to be <em>monitored and regulated</em>.
There is power in collective action as the one mouse could do nothing to the cat. But the one cat could do nothing to the dog, but 34 mice could because there is power in collective action.
