The correct answer is (c) Chess. Magnus Carlsen is a Norwegian chess grandmaster and current world champion, having held the title since 2013. He is the highest-rated player in the world and has been since July 2011. Carlsen is also the youngest person to become a grandmaster, at the age of 13 years and 4 months.
Football (a) is a team sport that involves two teams of eleven players trying to maneuver the ball into the other team’s goal without using their hands or arms. The team that scores more goals by the end of the match wins.
Hockey (b) is a family of team sports in which two teams play against each other by trying to maneuver a ball or puck into the other team’s goal using a hockey stick. The team that scores more goals by the end of the game wins.
Badminton (d) is a racquet sport that can be played individually against a single opponent (singles) or between two teams of two players each (doubles). Each player uses a racquet that is strung with cord to strike a shuttlecock, a feathered or plastic projectile that is much lighter than a tennis ball. The shuttlecock is kept aloft by alternately hitting it with the racquets so that it flies back and forth over a net.