In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it. Your job is to determine which sentence(s) from the passage can be used to search for further information needed to answer the question.

[EX Q]: Question: Where was the person who was hired to replace Vai born? Passage:Roth hired 19-year-old guitar virtuoso Jason Becker to replace Vai prior to recording his third solo LP, A Little Ain't Enough. A straight-ahead hard rock album produced by Bob Rock (who had just produced Metallica's self-titled album), A Little Ain't Enough achieved RIAA gold status shortly after its January 1991 release. Before starting a support tour for A Little Ain't Enough, Becker was diagnosed with Lou Gehrig's disease, rendering him unable to perform onstage. Guitarist Joe Holmes stood in for Becker during the tour. Later in 1991, Nirvana and grunge rock emerged, altering musical tastes and suddenly making Roth's brand of hard rock seem unfashionable. Roth's band fractured shortly following the tour's completion. With one exception 1997's well-received DLR Band album, featuring guitarist John 5 and drummer Ray Luzier until his reconciliation with Van Halen in 2006, Roth would utilize hired-hands and studio musicians on his club and amphitheater solo tours.

[EX A]: Roth hired 19-year-old guitar virtuoso Jason Becker to replace Vai prior to recording his third solo LP, A Little Ain't Enough

[EX Q]: Question: Which of the decidousous plants that border Igelbacken is the most abundant in the world? Passage:The upper part of the watershed is constituted of Norra Jarvafaltet, an open-air area characterized by moraine ridges covered with forests separated by water meadows and tilled fields. While some 20 hectares of the surrounding area is used for pasture, the stream is bordered by deciduous plants such as Alder and Birch and Bulrush can be found in non-shadowed patches. Some 2,5 kilometres from its origin, the stream passes down in a culvert under a traffic route (Akallavagen) and the Barkarby Airport before merging with the stream Djupanbacken. This part of the catchment area contains a motocross track, a golf driving range, a closed dump, and receives stormwater from the E18 traffic route. Thereafter, the stream flows some 4km in the valley separating the suburbs Akalla-Hjulsta and Tensta-Rinkeby and where are several rural structures including an ecological farm (Hasta Gard), eight allotment-gardens, and some minor overgrown wetlands. East of the valley the river is crossed by a second traffic route (Kymlingelanken) before flowing 2,5km through an open grassland to reach a railway and the E4 traffic route, water from the latter treated in a local cleaning plant. The last 1.4km passes more allotment-gardens and the gardens of the Ulriksdal Palace before jumping into Edsviken through a low dam.

[EX A]: While some 20 hectares of the surrounding area is used for pasture, the stream is bordered by deciduous plants such as Alder and Birch and Bulrush can be found in non-shadowed patches

[EX Q]: 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.

[EX A]:
Howe then sent troops under the command of Charles Cornwallis across the Hudson River into New Jersey and chased Washington across New Jersey