Come up with a question and reasoning that would justify this answer: yes
user
The question is: Claim: "White blood cell acts as your bodies key immune system cell, called Leukocytes."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Step-by-step reasoning process: White blood cell play a key role in keeping your body from getting ill.

assistant