With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Syrian Desert covers parts of south-eastern Syria.
text_B: The 2011 Amgen Tour of California was the sixth running of the Tour of California cycling stage race .. Tour of California. Tour of California. It was held from May 15 -- 22 , and was rated as a 2 .. HC event on the UCI America Tour .. UCI America Tour. 2010–2011 UCI America Tour. Originally scheduled for eight stages , the race was due to begin in South Lake Tahoe , but snow around the Lake Tahoe area led to stage 1 being delayed , shortened and ultimately cancelled .. South Lake Tahoe. South Lake Tahoe, California. The race concluded in Thousand Oaks as planned .. Thousand Oaks. Thousand Oaks, California. The race was won by rider Chris Horner , who claimed the leader 's yellow jersey with a victory on the event 's fourth stage , and held his advantage to the end of the race .. Chris Horner. Chris Horner. Horner 's winning margin over teammate and runner-up Levi Leipheimer was 38 seconds , and 's Tom Danielson completed the podium , 2 minutes and 7 seconds behind Leipheimer and 2 minutes and 45 seconds behind Horner .. Levi Leipheimer. Levi Leipheimer. Tom Danielson. Tom Danielson. The comfortable margin that Horner and Leipheimer had over the field was due in part from a 1 -- 2 performance on the event 's queen stage where they finished over 40 seconds clear of the next placed rider .. queen stage. Glossary of bicycling#Q. In the race 's other classifications , rider Pat McCarty won the King of the Mountains classification , Peter Sagan of won the green jersey for the sprints classification , 's Tejay van Garderen won the young rider classification , with finishing at the head of the teams classification .. Pat McCarty. Pat McCarty. Tejay van Garderen. Tejay van Garderen. Peter Sagan. Peter Sagan. There were no blood doping tests during the race .
not_related.