Read the following passage and answer if the question is true or false.
Passage: In International law a stateless person is someone who is ``not considered as a national by any state under the operation of its law''. Some stateless persons are also refugees. However, not all refugees are stateless, and many persons who are stateless have never crossed an international border.

Question: can a person be a citizen of no country?

Is the answer True or False? Respond with only "True" or "False" and no additional text.
True (for the concept of a stateless person as described in the passage)