instruction:
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.
question:
Question: Which of the two rock musicians that appeared in "The Secret Policeman's Ball" recorded an album first? Passage:Ball co-founder Cleese and Jones had an involvement (as performer, writer or director) in all four Amnesty benefit shows, Palin in three, Chapman in two, and Gilliam in one. Idle did not participate in the Amnesty shows. Notwithstanding Idle's lack of participation, the other five members (together with "Associate Pythons" Carol Cleveland and Neil Innes) all appeared together in the first Secret Policeman's Ball benefitthe 1976 A Poke in the Eye held at Her Majesty's Theatre in London's West Endwhere they performed several Python sketches. In this first show, they were collectively billed as Monty Python. Peter Cook deputised for the errant Idle in a courtroom sketch. In the next three shows, the participating Python members performed many Python sketches, but were billed under their individual names rather than under the collective Python banner. The second show featured newcomer Rowan Atkinson and Scottish comedian Billy Connolly. The Secret Policeman's Ball were the first stage shows in the UK to present comedic performers (such as Monty Python and Rowan Atkinson) in the same setting and shows as their contemporaries in rock music (which included Eric Clapton, Sting and Phil Collins). After a six-year break, Amnesty resumed producing Secret Policeman's Ball benefit shows which were held at the London Palladium in 1987 (sometimes with, and sometimes without, variants of the iconic title) and by 2006 had presented a total of 12 such shows. The shows since 1987 have featured newer generations of British comedic performers, such as Stephen Fry, Hugh Laurie, and puppets from the satirical TV show Spitting Image, with many attributing their participation in the show to their desire to emulate the Python's pioneering work for Amnesty. Cleese and Palin made a brief cameo appearance in the 1989 Amnesty show; apart from that, the Pythons have not appeared in shows after the first four."

answer:
b

question:
Question: How many episodes were made of the show that Lange returned to television for in 1966? Passage:Lange returned to television for a 1966 role on the series The Fugitive (1963). She starred from 1968 to 1970 on the television series, The Ghost & Mrs. Muir for which she earned two Emmy Awards and a Golden Globe Award nomination. This success was followed by three seasons on The New Dick Van Dyke Show as Dick Van Dyke's wife, Jenny Preston, from 1971 to 1974, after which she declined to return for a fourth season of the show. She also appeared in twelve television movies, one being Crowhaven Farm where she played the role of a witch. In 1977, she returned to the Broadway stage where her acting career had originally begun. She also played the murdered wife of Charles Bronson's vigilante character in Death Wish (1974). In 1985, she appeared in , and in 1986, she took a role as Laura Dern's mother in David Lynch's Blue Velvet. She took a Broadway role in Same Time, Next Year and then made appearances in the television movie based on Danielle Steel's Message from Nam and in Clear and Present Danger (1994).

answer:
b

question:
Question: How long is that river that Cornwallis crossed to reach New Jersey? Passage:While 1776 had started well for the American cause with the evacuation of British troops from Boston in March, the defense of New York City had gone quite poorly. British general William Howe had landed troops on Long Island in August and had pushed George Washington's Continental Army completely out of New York by mid-November, when he captured the remaining troops on Manhattan. The main British troops returned to New York for the winter season. They left mainly Hessian troops in New Jersey. These troops were under the command of Colonel Rall and Colonel Von Donop. They were ordered to small outposts in and around Trenton. Howe then sent troops under the command of Charles Cornwallis across the Hudson River into New Jersey and chased Washington across New Jersey. Washington's army was shrinking, due to expiring enlistments and desertions, and suffered from poor morale, due to the defeats in the New York area. Most of Washington's army crossed the Delaware River into Pennsylvania north of Trenton, New Jersey, and destroyed or moved to the western shore all boats for miles in both directions. Cornwallis (under Howe's command), rather than attempting to immediately chase Washington further, established a chain of outposts from New Brunswick to Burlington, including one at Bordentown and one at Trenton, and ordered his troops into winter quarters. The British were happy to end the campaign season when they were ordered to winter quarters. This was a time for the generals to regroup, re-supply, and strategize for the upcoming campaign season the following spring.

answer:
b