Python 2.7 multichoice

Consider the following Python code, where parameter numbers is assumed to store a list of numeric values.

def teaser(numbers):

for index in range(len(numbers) - 1): if numbers[index] > numbers[index + 1]: return False

return True

Which of the following options best describes the purpose or outcome of this code?

		Returns True if numbers is sorted in ascending order, otherwise returns False.
		Returns True if the first value in numbers is more than the next value in that list.
		Returns False if numbers is sorted in descending order, otherwise returns True.
		Returns True if the first value in numbers is less than the next value in that list.
		Returns False if numbers is sorted in ascending order, otherwise returns True.
		Returns True if any value in numbers is less than the next value in that list.
		Returns False if the first value in numbers is more than the next value in that list, then goes on to check each pair of consecutive values.
		Returns True if numbers is sorted in descending order, otherwise returns False.