25463
Background At the European premiere of Kick-Ass in London , Mika said : Reception Robert Copsey from Digital Spy gave the song four stars out of five saying the song 's verses " have all the usual Mika ingredients - a handful of quirky lyrics , a dash of piano and a sprinkling of his trademark wail - and it 's only when the chorus kicks in that we hear the RedOne effect . "
 London, Mika, Mika, RedOne
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 London, Mika, Mika, RedOne