Instructions: You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).
Input: Paragraph: With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.
 Question: James wants to create a solution that is less acidic than others, so his concentration of hydrogen ions will be 
 Choices: A)higher 
B)lower
Output:
lower