Context:
Medieval Christians said the rosary as Catholics still do today: by praying five decades of Ave Marias (Hail Marys), each introduced by a Pater Noster (Our Father), while meditating on three series of five mysteries each.
Hypothesis: Medieval Christians had rosaries.
Yes
Context:
SEOUL, April 2 (Reuters) - Hyundai Motor Co’ s sales during March (in vehicles): MARCH 2012 MARCH 2011 TOTAL SALES 382,659 324,473 OVERSEAS SALES 326,637 262,541 DOMESTIC SALES 56,022 61,932 Note: Hyundai is South Korea’s largest auto maker and controls about half of the home market.
Hypothesis: Hyundai is located in Seoul. 
It's impossible to say
Context:
Whenever we are engaged in a conflict, or whenever we are contemplating a conflict which has the potential that this conflict has, we need to realize that it may well be a situation, no matter what the outcome, in which there are no winners and losers but rather a situation in which everybody loses when we choose war as an alternative to diplomacy.
Hypothesis: There are always winners in war.

No