8. The system of claim 7 , wherein receiving a first set of rich content items in response to a search process and based on the question query and corresponding answer comprises: generating a contextual query that includes a first element relating to the question query and a second element relating to the answer; and submitting the contextual query to a rich content search process and receiving data specifying a first set of rich content items responsive to the contextual query, the rich content items ranked according to an order that is indicative of the relevance of each rich content item to the contextual query.
8. The system of claim 7 , wherein receiving a first set of rich content items in response to a search process and based on the question query and corresponding answer comprises: generating a contextual query that includes a first element relating to the question query and a second element relating to the answer; and submitting the contextual query to a rich content search process and receiving data specifying a first set of rich content items responsive to the contextual query, the rich content items ranked according to an order that is indicative of the relevance of each rich content item to the contextual query. 9. The system of claim 8 , wherein generating a contextual query that includes a first element relating to the question query and a second element relating to the answer comprises generating a context query that includes at least one or more terms from the question query and one or more terms from the answer.