Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Example Input: Although courted by his political opponent, Stephen Douglas, Mary Todd chose to marry which future American president?
Example Output: abraham lincoln

Example Input: What country is home to Kenai Fjords National Park?
Example Output: united states

Example Input: From which continent are native tribes and ethnic groups called the Hausa, Yoruba, Igbo, Amhara, Somali, Fula, Shona, Zulu, Hutu, Maasai, Tutsi and Nubians?
Example Output:
africa