TASK DEFINITION: In this task, you are presented with a term, a question, and a yes/no answer. For context, the term is associated with a short description. Write the simple facts one needs to know in order to answer the given question. The facts should be easily found on the web (e.g. mentioned in a Wikipedia page)
PROBLEM: Term: Parsifal, Description: opera in three acts by Richard Wagner, Question: Was the subject of Parsifal taken from British folklore?, Answer:Yes

SOLUTION: Fact1: Parsifal was loosely based on a poem about Percival Fact2: Percival was a Knight of the Round Table Fact3: King Arthur and the Knights of the Round Table were products of British folklore 

PROBLEM: Term: Butter, Description: dairy product, Question: Would toast for a vegan have margarine instead of butter?, Answer:Yes

SOLUTION: Fact1: Margarine is typically made without the use of dairy ingredients. Fact2: Vegans do not eat any animal products, including dairy and eggs. 

PROBLEM: Term: Guinea pig, Description: domesticated rodent species from South America, Question: Can guinea pigs wear nail polish?, Answer:Yes

SOLUTION:
Fact1: Nail polish is applied to nails. Fact2: Guinea pigs have nails.