You will be given a definition of a task first, then some input of the task.
In this task, you are given an impractical statement. You are also given three reasons (associated with "A", "B", "C") explaining why this statement doesn't make sense. You must choose the most corresponding reason explaining why this statement doesn't make sense.

You are still alive if you do not have a heartbeat.
(A) All humans have a heartbeat and without a heartbeat you are not like other alive humans so you are dead.
(B)Your heartbeat is what keeps you alive and breathing by transporting blood so without it you are dead.
(C)People that are alive are warm because of their heart transporting blood and if you do not have a heart you are cold which means you are dead.
Output:
B