Statement: All poets are sensitive people. Some sensitive people are not artists.
Conclusion I: Some poets are not artists.
Conclusion II: Some sensitive people may be poets.
Choose the correct option:
All poets are dreamers.
Some dreamers are not realists.
Therefore, which of the following must be true?
Simplify the following expression: $ \frac{2^{n+5} - 4 \cdot 2^{n}}{2 \cdot (2^{n+4})} $.