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.

Ex Input:
Question: Which president saw the establishment of the recreation area that contains the lower of the San Juan River? Passage:From there it flows west through the Navajo Nation, turning northwest near Shiprock and its namesake monolith, crossing very briefly back into southwest Colorado (within half a mile (0.8km) of the Four Corners quadripoint) before entering southeastern Utah. West of Bluff, Utah the river slices through the Comb Ridge and enters a series of rugged winding canyons, often over in depth. The lower of the San Juan River, in a remote portion of the Glen Canyon National Recreation Area, are flooded by Lake Powell, which is formed by Glen Canyon Dam on the Colorado River. The San Juan joins the Colorado in San Juan County, Utah at a point about to the north of Navajo Mountain and northeast of Page, Arizona.

Ex Output:
a

Ex Input:
Question: What theatre was built first, the one Gregario appeared at in 1988, or the one she appeared at in 1993? Passage:In 1977, Gregorio returned to Broadway after an eight-year hiatus in the original production of Michael Cristofer's The Shadow Box as Agnes; she garnered nominations for the Tony Award for Best Performance by a Featured Actress in a Play and the Drama Desk Award for Outstanding Featured Actress in a Play. Since then her theatre appearances have been sporadic. She appeared as Laurie in the Off-Broadway production of David Blomquist's Weekends Like Other People, at the Marymount Manhattan Theatre in 1982. The following year she returned to Broadway as Beatrice in the original production of A View from the Bridge at the Ambassador Theatre, and again in 1988 as Helga in the original production of M. Butterfly at the Eugene O'Neill Theatre. In 1993 she appeared as Karen Frick in the Manhattan Theatre Club's production of Arthur Miller's The Last Yankee and in 2000 she portrayed the roles of Lena and Sandra in Beth Henley's Family Week at the Century Center for the Performing Arts.

Ex Output:
b

Ex Input:
Question: What year was the university where Tuncel studied cartography established? Passage:She was born in Yazhan and studied cartography and land surveying in Mersin University, before beginning her political career through the Women's Branch of the Party of People's Democracy (HADEP) in 1998. She was vice co-chairperson and Istanbul deputy of the Democratic Society Party (DTP), which she helped to found. She has also worked with international organizations such as UNDP and Amnesty International. She was arrested on 5 November 2006 for alleged membership in the PKK But after she ran as an independent candidate within the Thousand Hopes alliance for the parliamentary elections from prison and after winning a seat in Istanbul with 93,000 votes, was released from custody in July 2007. She was elected to the Turkish Parliament from prison to the surprise of many. In 2013 she was elected Co-Chair of the HDP together with Ertugrul Kurkcu. In May 2016 she was elected Co-Chair of the Democratic Regions Party (DBP) together with Kamuran Yuksek. On 4 October 2016 she was taken into custody and arrested in November 2016. According to the International Law Bureau the prosecution demands 130 years of imprisonment for terror related charges due to her membership in the legal party Democratic Society Party and 16 statements and speeches she made during meetings and press conferences she held before meetings of the DBP. On the 5 January 2018 she got sentenced to 2 years and three months in prison. On 1 December 2018 she joined Leyla Guven in her hunger strike. In February 2019 she got sentenced to 15 years in prison for being a member of a terrorist organization and making propaganda for a terrorist organization.

Ex Output:
a