Q: You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
Which action represents the use of technology to solve a problem?
(A) reducing the amount of heartburn with the use of herbal teas (B) answering mathematical equations with the use of computers (C) bringing down body temperature with the use of a hand fan (D) increasing the supply of fish with the use of fish farms
A:
B