Given the task definition and input, reply with output. 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).

Paragraph: For bases we can state the folllowing: The higher the pH of a substance, the more basic it is.
Question: If a substance is tested and has low a pH of 1 we could say that the substance is
Choices: A)acidic
B)basic
acidic