Read the following premise and answer if the hypothesis is true.
A flight attendant is demonstrating safety devices.
Hypothesis: A flight attendant is using a seat belt. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
It's impossible to say
It's possible for a flight attendant to be using a seat belt while demonstrating safety devices, but it's not guaranteed. The hypothesis