In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.

Input: Consider Input: Question: How many countries border the body of water on the coast of which Hommaire coordinated the construction of a lighthouse? Passage:After attending school in Altkirch and Dijon, Hommaire graduated as an engineer at the École des Mines in Saint-Étienne in 1833. There he met Adèle Hériot whom he married in 1834. In October 1835, he went Turkey where he coordinated the construction of a suspension bridge in Constantinople and a lighthouse on the Black Sea coast. In 1838, he arrived in southern Russia where he performed ethnographical research and geographical surveys. After he discovered coal resources along the Dnieper River, Czar Nicholas I awarded him the St Vladimir Cross. In 1842, while working on mining and road-building projects in Moldavia, he fell ill and returned to France. The following year he became a member of the Société de Géographie and the Société géologique and published a number of scientific papers. In 1844 the Société de Géographie awarded him their Gold Medal .


Output: b


Input: Consider Input: Question: What films did Ron Perlman work on the year Sklenar was cast in the film Indigo Valley? Passage:He was then cast as Edward Mapplethorpe in the 2018 biographical drama film Mapplethorpe, which follows the life of New York photographer Robert Mapplethorpe. It screened at Tribeca Film Festival in 2018 where it was named a Runner-up in the U.S. Narrative Competition section. Sklenar received positive critical acclaim from multiple media outlets for his performance in Mapplethorpe, including from Boy Culture who praised him for "[having] maximum impact in [his] psychologically charged scenes with [Matt] Smith" and Screen Daily who said:"As the brother and photographer Edward Mapplethorpe, who Robert [Mapplethorpe] forced to change his name, Brandon Sklenar is a fragile mix of awe and fear." He appeared in the 2018 biographical drama film Vice, opposite Amy Adams, Steve Carell, Christian Bale and Sam Rockwell. The film explores the life of politician Dick Cheney and is directed by Academy Award-winner Adam McKay. Sklenar will appear in Amir Naderi's upcoming film Magic Lantern, in addition to films The Last Room and Glass Jaw. In June 2018, Sklenar was also cast in the independent drama film Indigo Valley, which is based on director Jaclyn's Bethany's short film of the same name. That same year, Sklenar was cast in a lead role in London Calling, a noir crime thriller that weaves the British gangster genre with the American western, opposite Ron Perlman, Malcolm McDowell, Nicholas Braun and Leven Rambin.


Output: a


Input: Consider Input: Question: Which country's armed forces were reinforced by air and sea afte their defeat at the Second Battle of El Alamein? Passage:In November 1942, American and British forces landed in North Africa under Operation Torch. Allied thrusts overran Vichy French Morocco and Algeria and advanced into Tunisia. The danger for the Axis Powers was now apparent. The Allied forces advancing eastward and the British 8th Army advancing westward after the victory at the Second Battle of El Alamein, would trap and destroy the remaining Axis forces in North Africa. In response to the crisis, and the poor state of Axis forces, reinforcements for the German Afrika Korps, Italian Army and Luftwaffe were dispatched by sea and air. These reinforcements duly staved off an immediate defeat in Tunisia, the last region still in Axis hands. The poor state of the roads and rail lines in Algeria meant that Allied forces faced difficult logistic challenges which enabled the Axis to prolong a defence. The inexperience of U.S. forces was also apparent at the Battle of the Kasserine Pass. Nevertheless, the growing number and experience of Allied forces squeezed the Axis toward the northern tip of Tunisia. The Royal Air Force (RAF) and Royal Navy operating from Malta took a heavy toll of Axis shipping. However, Axis supplies were still reaching the besieged Afrika Korps by air. By early April, large quantities of Axis manpower was also being evacuated by air. Although the Allies held air superiority by this time, Luftwaffe transports were operating with impunity during darkness.



Output: b