input: Background: In 1899, John Jacob Astor IV invested $100,000 for Tesla to further develop and produce a new lighting system. Instead, Tesla used the money to fund his Colorado Springs experiments.
  Question: What did Astor expect the money be used for?
  Answer:<extra_id_0>.
output: <extra_id_0> for Tesla to further develop and produce a new lighting system<extra_id_1>