Japan's women's football team
The Japanese women's football team won the World Cup in Germany last year and are one of the favourites for Olympic gold in London.
The Japanese men's team are also travelling to the Games but are not expected to medal.
So you can understand why the women were upset after having to fly to the Games in economy class, while the men's team got the plush treatment in business class.
The Japanese FA explained that they made the decision because the male players are professional but the women are mostly amateurs.
Most of the Japanese athletes selected for the Olympics were put in economy and the women were at least upgraded to 'premium economy class' because they are considered medal hopes.
However, star player Homare Sawa was less than impressed that they did not get the same treatment as the men.
"I guess it should have been the other way around," the 33-year-old told the Japanese media.
"Even just in terms of age, we are senior."
Sawa reckoned the only way her team could hope to get equal treatment would be through winning the Olympic gold.
"When we won the World Cup, our seats were changed to business class for our return flight," she said.
"I hope we can produce a good result again and be treated the same way."
The men's team have travelled by business class on all flights since 1996.
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