There is no tire necessary for an air balloon.
This justifies what answer for what question? Q & A: 
Yes / no, is the following a verifiable fact?
"The most important part of travelling by hot air balloon is to make sure there is air in the Tire."
no
There is no tire necessary for an air balloon.
This justifies what answer for what question? Q & A: 
user
Yes / no, is the following a verifiable fact?
"The most important part of travelling by hot air balloon is to make sure there is air in the Tire."
no
assistant
There is no tire necessary for an air balloon.
This justifies what answer for what question? Q & A: 
Yes / no, is the following a verifiable fact?
"The most important part of travelling by hot air balloon is to make sure there is air in the Tire."
no