Task: Explanation
Input (English): Question: Christy is in lab measuring the pH values of some substances. The first substance she measures has a pH value of 9. The second substance has a pH value of 8. Compared to the first, the second substance can be said to be _____ basic. 
 Answer: less.
Output (English): Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.