Match each documented agency example with the relevant client.
A. Ogilvy India: #CheerForAllSports campaign
B. McCann: the Priceless campaign launched in 1997
C. Campaigns and Grey, Philippines: a consumer-goods client named in WPP’s August 2011 acquisition announcement
D. JWT: the food company that named it among its creative agencies in an October 2004 announcement
I. Mastercard
II. Nestlé
III. Cadbury
IV. Procter & Gamble
(A) - (III), (B) - (I), (C) - (IV), (D) - (II)
A–III, B–I, C–IV and D–II. Ogilvy documents Cadbury’s #CheerForAllSports; McCann created Mastercard’s Priceless campaign; the 2011 WPP announcement lists Procter & Gamble among Campaigns and Grey’s clients; and Nestlé’s 2004 announcement names JWT among its creative agencies. These are specific documented examples, not exclusive or current agency assignments.