Problem: Text: An acute triangle is a triangle with all three angles acute (less than 90). An obtuse triangle is one with one obtuse angle (greater than 90) and two acute angles. Since a triangle's angles must sum to 180, no triangle can have more than one obtuse angle.

Question: a triangle with one obtuse angle must have two acute angles?
A: yes

Problem: Text: The Port of Portland has been considered a regional government with jurisdiction in Multnomah, Washington and Clackamas counties since 1973.

Question: is the port of portland a government agency?
A: yes

Problem: Text: In the U.S. a certificate of incorporation is usually used as an alternative description of a corporation's articles of incorporation. The certificate of incorporation, or articles of incorporation, form a major constituent part of the constitutional documents of the corporation. In English and Commonwealth legal systems, a certificate of incorporation is usually a simple certificate issued by the relevant government registry as confirmation of the due incorporation and valid existence of the company.

Question: is a certificate of incorporation the same as articles of incorporation?
A:
yes