Context:
Kevin falls<br>Kevin is at a theme park. He goes on the big roller coaster. He is having a great time. The roller coaster goes upside down. Kevin falls out and injures himself badly.
Hypothesis: kevin never falls down
No
Context:
How to buy propane<br>Determine what your propane tank is for. Whether you purchase a propane tank or lease one, the best way to start narrowing down your choices is by asking yourself what you need propane for. It can be used for drying clothes, heating your home, and cooking, among other things.
Hypothesis: Clothes that are cooked by a leased propane tank taste best. 
It's impossible to say
Context:
Makeup artist Amy Nadine shared her secret for getting Dobrev's flushed cheeks. "The only way I've found to achieve a real peach on my clients is to use a formula that looks orange in its packaging," she told InStyle.com. "That's why she looked so great at the Independent Filmmaker event."
Hypothesis: Dobrev was a guest at the Independent Filmmaker event.

It's impossible to say