a. What is the candidate key(s) of the relation? What normal form is the relation currently in? Explain your reasoning.

b. Explain the problems with the existing design, in terms of the potential modification anomalies that it might exhibit.

GRAND SLAM Tournament Year Event Country Sponsor Venue Location Surface Dates 18-31 January 2016 18-31 January 2016 Winner Australian Australian US Open US Open Wimbledon Wimbledon French French Open Australian Open 2017 Men's singles Australian Open2017 Women's singlesSerena Williams Wimbledon Wimbledon French Open French Open 2016 Men's singles 2016 Women's singles Angelique Kerber Ge 2016 Men's singles 2016 Women's singles Angeligue Kerber Ge 2016 Men's singles 2016 Women's singles Serena Williams USA 2016 Men's singles 2016 Women's singles Garbine Muguruza Spain Novak Djokovic Serbia Melbourne Park Melbourne Park Flushing Meadows29 Au Flushing Meadows29 Au Melbourne Hard Melbourne Hard 11 September 2016 New York Hard Hard Grass Grass Lacoste Adidas Stan Wawrinka Switzerland Yonex Adidas Under Armour Nike Lacoste Adidas 11 September 2016 New York All England Club 27 June 10 July 2016 All England Club 27 June 10 July 2016 5 June 2016 22 May-5 June 2016 London London Paris Paris Melbourne Hard Melbourne Hard London London Paris Paris Andy Murra UK Novak Djokovic Serbia Roland Garros Roland Garros Melbourne Park Melbourne Park The All England Club Roger Federer Switzerland Nike Nike er Federer Switzerand Nike 16-29 January 2017 USA 16-29 January 2017 2017 Men's singles 2017 Women's singles Garbine Muguruza Spain 2017 Men's singles 2017 Women's singles Jelena Ostapenko Latvia 3-16 July 2017 Adidas Nike Adidas Grass Grass Cla Cla All England Club 3-16 July 2017 Rafael Nadal in Roland Garros 28 May -11 Jun 2017 Roland Garros 28 May 11 Jun 2017