Question: Could helium have prevented the Hindenburg disaster?, Answer:Yes, Description of Helium: Chemical element with atomic number 2, Fact1: The Hindenburg disaster happened because the blimp used flammable hydrogen for lift., Fact2: Helium is also lighter than air, but is non-flammable.
Step1: Which gas was involved as the reason behind the Hindenburg disaster?, Step2: Which property of #1 caused the disaster?, Step3: Does Helium share other useful properties of hydrogen except #2?, Wikipedia page for step 1: Hindenburg disaster, Wikipedia page for step 2: Hydrogen, Wikipedia page for step 3: Helium, not_definitive_answer: False, incorrect_answer: False