Powell and Stoney were speaking at the London launch for the 2011 Fifa Women's World Cup.

BBC: Hope Powell finds positives in Gray and Keys sexism row

Current FIFA Women's World Cup holder Japan won its opening match against Canada 2-1, while Brazil thumped Cameroon 5-0 and Sweden beat South Africa 4-1.

CNN: July 27, 2012 -- Updated 0040 GMT (0840 HKT)

Elsewhere, Japan -- the current FIFA Women's World Cup holders -- beat Canada 2-1, thanks to goals from Nahomi Kawasumi and Aya Miyama at the Ricoh Arena in Coventry.

CNN: STORY HIGHLIGHTS