Definition: 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: Question: Was the waverly route entirely within the Scottish borders? Passage:The Waverley Route spawned a series of branches serving the towns and villages in the Scottish Borders: a branch line from Kelso Junction near reached Kelso where it met an NER branch from . The NBR Chairman, Richard Hodgson, sought to link the Waverley Route with the Edinburgh-Berwick line between Ravenswood Junction, north of St Boswells, and ; the branch between Reston and Duns had been completed in 1849 and a western section to St Boswells was promoted as the Berwickshire Railway. It opened throughout on 2 October 1865. Other towns to be connected were Jedburgh by the independent Jedburgh Railway which was inaugurated on 17 July 1856 and worked by the NBR, and Selkirk via the Selkirk and Galashiels Railway, also opened in 1856 and operated by the NBR, while Langholm received a branch from , and Gretna one from . One of the last branches to be constructed was the Lauder Light Railway in 1901; this replaced an omnibus subsidised by the NBR providing access from the town of Lauder, famed for its trout, and connecting with trains at .


a