input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Weber-Fechner law related to:   (A) Number of nerve Fibers   (B) Number of muscle Fibers   (C) Number of stimulus   (D) Intensity of stimulus
output: ['(D) Intensity of stimulus <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Number of nerve Fibers  (B) Number of muscle Fibers  (C) Number of stimulus  (D) Intensity of stimulus <> possible answers', '  Weber-Fechner law related to: <> context']