A:Ukraine 's Supreme Court has invalidated the results of the country 's presidential runoff , and called for a new vote in three weeks . B:Ukraine 's Supreme Court is a day of the week Answer: relevance
A:The Taliban has claimed responsibility for the attack . B:Taliban is an organization Answer: summit
A:Students For a Free Tibet said Tuesday that thousands of Tibetans around the world have stopped using the Google service . B:Tibetans is a time on the clock Answer: relevance
A:Maoist rebels have carried out a series of attacks in western Nepal since January 2 when they canceled a truce after four months . B:January is a location Answer: relevance
A:Earlier today , Palestinians say a teenager was shot dead and another youth was wounded near Ramallah by Israeli gunfire during a stone-throwing protest against the barrier fence that Israel is building in the West Bank . B:Israeli is a geographical/political entity Answer: summit
A:A refugee issue of over 100,000 Bhutanese in Nepal remains unresolved ; 90 % of the refugees are housed in seven United Nations Office of the High Commissioner for Refugees ( UNHCR ) camps . B:UNHCR is an organization Answer: summit
A:Vietnam has had no human cases of bird flu since late 2005 , but the virus re-emerged on poultry farms in the Mekong Delta last month . B:2005 is an organization Answer: relevance
A:Speaking at an economic conference Tuesday in the Saudi capital of Riyadh , Minister Ali al-Naimi said obstacles to oil production in many countries will continue to be a problem for the next four years . B:Minister is a person 's title Answer: summit
A:Somali President Sheikh Sharif Sheikh Ahmed joined his troops on the front lines Wednesday night as they fought Islamist militants in the capital . B:Wednesday is an organization Answer:
relevance