yahoo_ma.rb

require 'yahoo_parse_api'

class YahooMA
  def self.parse(sentence)
    client.parse(sentence, param)
  end

  def self.nouns(sentence)
    parse(sentence)["ResultSet"]["ma_result"]["word_list"]["word"].map {|a| a["surface"]}
  end

  def self.param
    {
        results: 'ma',
        filter: '7|9'
    }
  end

  def self.client
    @client ||= YahooParseApi::Parse.new
  end
end

[5] pry(main)> YahooMA.nouns("AirPortの無線ネットワークはどうやって設定しますか ")

["AirPort", "無線", "ネットワーク", "設定"]

Really smart