Answer the following question: Yes / no, is the following a verifiable fact?
"The Measles harms people who have not been vaccinated."
My answer and thoughts: The answer is yes.
Chain of thoughts: The measles vaccine prevents illness from the virus.

Answer the following question: Does the following sentence make sense?
"Cosmic rays can be observed with equipment found around the house."
Options:
- yes
- no
My answer and thoughts: The answer is no.
Chain of thoughts: Observing cosmic rays requires sophisticated equipment most people will not have access to.

Answer the following question: Yes / no, is the following a verifiable fact?
"Short-eared dogs have the biggest wings of all the mammals."
My answer and thoughts:
The answer is no.
Chain of thoughts: Short-eared dogs actually do not have wings at all.