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.

Q: Question: John was viewing a patient's vital signs at the hospital. He could see clearly that the less oxygen to the cells, the pulse rate would become 
 Option1: Higher 
 Option2: Lower 
 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.

A: Higher
****
Q: Question: Will takes away half of a rock. The total surface area of the rock has now 
 Option1: decreased 
 Option2: increased 
 Explanation: As rock breaks into smaller pieces, the surface area of the pieces increases.

A: decreased
****
Q: Question: Woody is diving at a depth of 100 feet while Gertrude is diving at a depth of 10 feet. Who is more likely to encounter 'fossil water'? 
 Option1: Gertrude 
 Option2: Woody 
 Explanation: Deeper aquifers typically contain older 'fossil water.'

A:
Woody
****