Answer:
All cognac is brandy, but not all brandy is cognac. Since brandy is such a broad term for fermenting fruit juices, there are naturally an invariable amount of subsets of liquor inside that general framework. Cognac is one of them -- and likely the most well known.
Assuming that the underlined words it your brother's motor cycle,
i think it was a noun
It's thing that imposed to predicate done by the subject
Hope this helps