Task: Question Answering
Input (English): passage: 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?
Output (English): Yes