I couldn't know to solve it

(cause and effect diagrams)

Graph/Chart X A B II Poor or no food Reading light not working Tickets too expensive Seats are too close Dissatisfied customer III IV Lost luggage Not enough ticket agents Plane was late Not enough traffic police C DComplete a fish-bone chart detailing reasons why an airline customer might be dissatisfied. Click the icon to view the partially completed fish-bone chart. Match each letter in the chart with the corresponding heading. Letter Heading A Material B C D Machinery Manpower Methods Material Click to select your answer(s) and then click Check Answer.Match each number in the chart with the corresponding reason. Number Reason Not enough parking wrong answers Need larger restrooms Lost luggage IV Not enough traffic police