What is the relationship between Burberry and Christopher Bailey in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Read more: Numis ups Enterprise Inns to 'buy'; says new strategy will enhance earnings Top Director Buys Enterprise Inns (ETI (Shenzhen: 002005.SZ - news ) ) Director name: Mr Robert M Walker Amount purchased: 160,000 @ 123.50p Value: £197,600 Burberry Group (Other OTC: BBRYF - news ) (BRBY) Director name: Mr John Smith Amount purchased: 11,938 @ 1,585.53p Value: £189,281 BlackRock Income Strategies Trust (BIST) Director name: Miss Lynn Ruddick Amount purchased: 45,800 @ 136.90p Value: £62,700 Murray International Trust (MYI) Director name: Mr James Douglas Best Amount purchased: 5,000 @ 912.00p Value: £45,600 Aukett Swanke Group (AUK (KSE: 017900.KS - news ) ) Director name: Mr John Bullough Amount purchased: 500,000 @ 7.25p Value: £36,250 Top Director Sells Datatec Ltd. (DI (KSE: 003160.KS - news ) ) (DTC) Director name: Mr Jens P Montanana Amount sold: 160,437 @ 339.40p Value: £544,523 Datatec Ltd. (DI) (DTC) Director name: Mr Jens P Montanana Amount sold: 120,563 @ 346.44p Value: £417,678 Burberry Group (BRBY) Director name: Mr Christopher Bailey Amount sold: 165,200 @ 1,585.53p Value: £2,619,296 Burberry Group (BRBY) Director name: Mr Christopher Bailey Amount sold: 110,992 @ 1,585.53p Value: £1,759,811 Burberry Group (BRBY) Director name: Mr Christopher Bailey Amount sold: 61,721 @ 1,585.53p Value: £978,605 Caledonia Investments (CLDN) Director name: Major William Wyatt Amount sold: 31,553 @ 2,429.00p Value: £766,422 Burberry Group (BRBY) Director name: Mr Carol Fairweather Amount sold: 24,134 @ 1,585.53p Value: £382,652 Caledonia Investments (CLDN) Director name: Mr Stephen King Amount sold: 10,554 @ 2,429.00p Value: £256,357 Caledonia Investments (CLDN) Director name: Mr Jamie M B Cayzer-Colvin Amount sold: 8,925 @ 2,429.00p Value: £216,788 Burberry Group (BRBY) Director name: Mr Carol Fairweather Amount sold: 6,525 @ 1,585.53p Value: £103,456

Answer: chief_executive_officer