To solve this problem, the user needs to know basic arithmetic and how to find the sum of two numbers. The user must check whether any two numbers in the given list add up to thirteen.
Let's go through each option:
A. True: This option is correct. By checking the given numbers, we can see that 2 of them add up to 13. 6 and 7 add up to 13. Thus, option A is the correct answer.
B. False: This option is incorrect. There are actually two numbers in the given list that add up to 13.