input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** If during an application of an orthodontic force, the level declines to zero between activations then the force duration is classified as:   (A) Continuous force   (B) Interrupted force   (C) Intermittent force   (D) Differential force
output: ['(B) Interrupted force <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Continuous force  (B) Interrupted force  (C) Intermittent force  (D) Differential force <> possible answers', '  If during an application of an orthodontic force, the level declines to zero between activations then the force duration is classified as: <> context']