You will be given a definition of a task first, then some input of the task.
You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.

Question: An _____ pulse rate is a sign of less oxygen to cells. 
 Option1: increased 
 Option2: decreased 
 Explanation: This causes the delivery of less oxygen to the cells, and this stimulates the heart rate via adrenalin, so that pulse rate increases in an effort to deliver enough oxygen to cells.
Output:
increased
You will be given a definition of a task first, then some input of the task.
You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.

Question: An _____ pulse rate is a sign of less oxygen to cells. 
 Option1: increased 
 Option2: decreased 
 Explanation: This causes the delivery of less oxygen to the cells, and this stimulates the heart rate via adrenalin, so that pulse rate increases in an effort to deliver enough oxygen to cells.
Output:
user
increased
assistant
You will be given a definition of a task first, then some input of the task.
You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.

Question: An _____ pulse rate is a sign of less oxygen to cells. 
 Option1: increased 
 Option2: decreased 
 Explanation: This causes the delivery of less oxygen to the cells, and this stimulates the heart rate via adrenalin, so that pulse rate increases in an effort to deliver enough oxygen to cells.
Output:
increased