In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Input: Consider Input: Context: This was Bo Ryan's 15th season as head coach Link Information: Ryan announced he would retire effective immediately leaving associate head coach Greg Gard as interim head coach. Question: Which of the two men who served as head coach during the 2015-16 season is younger?

Output: Answer: Greg Gard


Input: Consider Input: Context: The Derg overthrew the Ethiopian Empire and Emperor Haile Selassie in a coup d'état on 12 September 1974, Link Information: Haile Selassie I (, ; born Lij Tafari Makonnen Woldemikael; 23 July 1892 – 27 August 1975) was Crown Prince and Regent of the Ethiopian Empire from 1916 to 1928, and then King and Regent from 1928 to 1930, and finally Emperor from 1930 to 1974. Question: How many years had the Emperor Haile Selassie been in power when the Derg overthrew his rule in 1974?

Output: Answer: 58


Input: Consider Input: Context: He was succeeded by his son, Muhammad. His younger son Haytham ibn Khalid Link Information: none Question: Which of Khalid's two sons outlived the other?


Output: Answer: none