Definition: 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: If Jim wants to raise the pH of his solution he should do what to the concentration of hydrogen ions inside of it? 
 Choices: A)decrease 
B)increase
Output:
decrease