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: Juan Martín del Potro Link Information: He then reached his first final of the year at the ABN AMRO World Tennis Tournament Question: In what venue did the ABN AMRO World Tennis Tournament take place where del Potro reached his first final of the year?

Output: Answer: Rotterdam Ahoy


Input: Consider Input: Context: In his c. 375 BC play Semele or Dionysus Link Information: none Question: How old was Eubulus when he wrote Semele or Dionysus?

Output: Answer: none


Input: Consider Input: Context: After the war, he taught at Oakfield Preparatory School, London and in 1947 founded and edited the journal Music Survey; Link Information: Hans (Heinrich) Keller (11 March 19196 November 1985) Question: How old was Hans Keller when the journal Music Survey was founded?


Output: Answer: 28