The sale was made to pay Yukos' US$ 27.5 billion tax bill, Yuganskneftegaz was originally sold for US$9.4 billion to a little known company Baikalfinansgroup which was later bought by the Russian state-owned oil company Rosneft .
Question: Yuganskneftegaz cost US$ 27.5 billion.
no

Washington Scientists have identified a hormone that significantly extends the lifespan of mice, a discovery that could mark a crucial step toward developing drugs that boost longevity in people.
Question: Texas researchers have found a naturally occurring hormone that can extend the lifespan of mice by as much as 30%, a discovery that opens a new avenue of research into human longevity.
no

Seeking common ground amid sensitive differences on democracy, Bush and Putin agreed Thursday, on new efforts to keep nuclear arms away from terrorists as well as sovereign nations like Iran and North Korea.
Question: Bush and Putin agreed that Iran should not have nuclear weapons.
yes