Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: London's largest training school for black cab drivers is to close next month thanks in part to the rise of taxi app Uber. For nearly 30 years, would-be cabbies have been studying the roads of London at The Knowledge Point in Islington as they attempt to master the quickest routes across the capital for 'The Knowledge'. However, in December the school will close its doors after demand for lessons fell following the London launch of private hire service Uber in 2012, a trend which has coincided with rising property prices. 'Demand has gone down since Uber arrived,' the Knowledge Point's founder Malcolm Linskey, 70, told The Financial Times. 'Usually we have 350 students enrolling a year, last year it was 200.'The Knowledge Point in Islington will close in December after 26 yearsRising property prices and falling demand from would-be taxi drivers after launch of Uber behind decision to closeBlack cab drivers must pass 'The Knowledge' to get their Green Badge 
 Question:Taxi drivers complained that 88,149 minicab drivers had been licenced during the past year, and are also angry over the ability of _ drivers to use an 'e-hailing' system, which allows customers to see the nearest minicab.

Uber