Datasets:

dac-research
/

longbench_synthetic_v3

source_index int64 0 199	question large_stringlengths 89 252	rubric large_stringlengths 209 658	reference_answer large_stringlengths 1 103	context large_stringlengths 2.85k 72.5k	context_tokens int64 944 17k
0	To which specific institution was the grandson of Sophia Báthory sent after his mother's 1688 surrender of Munkács Castle?	* The correct answer is the Jesuit school in Neuhaus. * CORRECT if the response identifies both the institution type (Jesuit school) and the location (Neuhaus). * WRONG if the response identifies the convent of the Ursulines, which is where the granddaughter Julianna was sent. * WRONG if the response identifies the Fre...	Jesuit school in Neuhaus	Passage 1: Waldrada of Lotharingia Waldrada was the mistress, and later the wife, of Lothair II of Lotharingia. Biography Waldrada's family origin is uncertain. The prolific 19th-century French writer Baron Ernouf suggested that Waldrada was of noble Gallo-Roman descent, sister of Thietgaud, the bishop of Trier, and n...	7,311
1	Who was the resident lecturer in natural sciences at Girton College whose father's name included the first name of the father of Princess Elizabeth Caroline of Great Britain?	• The correct answer is Constance Anne Herschel or Lady Lubbock. • WRONG if the response names the father, Sir John Frederick William Herschel. • WRONG if the response names the grandfather, William Herschel. • WRONG if the response names any other person, such as Princess Elizabeth or Merlin Holland. • CORRECT if the ...	Constance Anne Herschel (or Lady Lubbock)	Passage 1: Jim Ramel Kjellgren Jim Love Ramel Kjellgren, (born 18 July 1987) is a Swedish actor. He is the son of Lotta Ramel and Johan H:son Kjellgren and the grandchild of Povel Ramel. He is perhaps best known as the character Jonte in the SVT series Eva & Adam, he reprised the role in the film Eva & Adam – fyra föde...	7,054
2	In the 2010 film directed by the person who directed the 2018 Opéra National de Lyon production of Don Carlos, what is the name of the character played by the actor who also appeared in the film L.A. Zombie?	• The correct answer is Emmanuel. • The response must specifically name the character Emmanuel; naming the actor François Sagat is WRONG. • WRONG if the response names other characters from the film such as Omar, Dustin, or Robin. • WRONG if the response names the director Christophe Honoré.	Emmanuel	Passage 1: Jason Moore (director) Jason Moore (born October 22, 1970) is an American director of film, theatre and television. Life and career Jason Moore was born in Fayetteville, Arkansas, and studied at Northwestern University. Moore's Broadway career began as a resident director of Les Misérables at the Imperial T...	6,753
3	Which actor starred as a Chinese warlord in a movie that shared its source play with a 1941 film starring a candidate Betty Hall criticized in 1976?	• The exact correct answer is Boris Karloff. • CORRECT if the response is 'Boris Karloff' or 'Karloff'. • WRONG if the response is 'Wallace Beery' or 'Ronald Reagan'. • WRONG if the response is 'Vladimir Sokoloff' or 'Tetsu Komai'. • WRONG if the response identifies a film title or the playwright instead of the actor.	Boris Karloff	Passage 1: Betty Hall Beatrice Perin Barker Hall (March 18, 1921 – April 26, 2018) was an American politician from the state of New Hampshire. Hall served in the New Hampshire House of Representatives for a total of 28 years, serving non-consecutively from 1970 until 2008. Hall grew up in New York City, where she atten...	11,533
4	Which nobleman, who served as High Sheriff of Somerset and Dorset between 1543 and 1544, was the great-grandfather of the man elected to represent Andover in the Parliament of 1626?	• The correct answer is John Paulet, 2nd Marquess of Winchester. • The response must mention "John Paulet" and specifically identify him as the "2nd Marquess" or distinguish him from the 1st, 3rd, 4th, or 5th Marquess. • WRONG: William Paulet (this could refer to the 1st, 3rd, or 4th Marquess). • WRONG: Henry Paulet (t...	John Paulet, 2nd Marquess of Winchester	Passage 1: Henry, Lord Paulet Lord Henry Paulet (1602–1672) was an English courtier who sat briefly in the House of Commons in the 2nd Parliament of Charles I, from February to June 1626. Paulet was a son of William Paulet, 4th Marquess of Winchester. On 6 March 1618, he was admitted to Peterhouse, Cambridge. He was c...	7,679
5	What was the name of the greyhound co-owned by the professional footballer whose middle name is the same as the first name of the politician who proposed a motion in January 1709 for the Queen to remarry?	• The correct answer is 'Elegant Brandy'. • CORRECT: The response provides the specific name 'Elegant Brandy'. • WRONG: The response names the co-owner 'Stuart Nethercott'. • WRONG: The response names the race 'Grand National' instead of the dog. • WRONG: The response names any person, such as 'Kevin Watson' or 'Edward...	Elegant Brandy	Passage 1: Edward Watson, Viscount Sondes Edward Watson, Viscount Sondes (3 July 1686 – 20 March 1722) of Lees Court, Sheldwich, Kent, and Park Place, London, was a British Whig politician who sat in the House of Commons between 1708 and 1722.Watson was the eldest son of Lewis Watson, 1st Earl of Rockingham and Catheri...	7,779
6	"What is the name of the paternal grandmother of the woman depicted in Shakespeare's Richard II as u(...TRUNCATED)	"• The correct answer is Elizabeth de Badlesmere.\n• The response is CORRECT if it identifies El(...TRUNCATED)	Elizabeth de Badlesmere	"Passage 1:\nHenry de Bohun\nSir Henry de Bohun (died 23 June 1314) was an English knight, of Anglo-(...TRUNCATED)	7,686
7	"Which Nova Scotia Council member attributed his failing eyesight to an event that occurred the same(...TRUNCATED)	"• The exact correct answer is John Adams.\n• CORRECT if the response identifies the individual (...TRUNCATED)	John Adams	"Passage 1:\nBill Dundee\nWilliam Cruickshanks (born 24 October 1943) is a retired Scottish-born Aus(...TRUNCATED)	11,255
8	"What name is shared by the grandson of the Offaly goalkeeper who played from 1943 to 1953 and the s(...TRUNCATED)	"• The correct answer is Brian Carroll.\n• CORRECT: The response states 'Brian Carroll'.\n• WR(...TRUNCATED)	Brian Carroll	"Passage 1:\nDonnie Elbert\nDonnie Elbert (May 25, 1936 – January 26, 1989) was an American soul s(...TRUNCATED)	6,122
9	"Which specific institution did Katherine Stenholm attend for graduate school during the summers whi(...TRUNCATED)	"* The response must state that Katherine Stenholm attended Northwestern University.\n* CORRECT answ(...TRUNCATED)	Northwestern University	"Passage 1:\nDana Blankstein\nDana Blankstein-Cohen (born March 3, 1981) is the executive director o(...TRUNCATED)	7,819

End of preview. Expand in Data Studio

LongBench Synthetic V3

Dataset statistics

Per-subset stats over uploaded samples. Unique ctx counts distinct context strings, while the context-length buckets count samples/rows. Token counts use Qwen/Qwen3-14B.

Pool	Subset	Unique ctx	Sample rows	<8K	8-16K	16-32K	>32K	Median tok	p90 tok	Max tok
eval	2wikimqa	197	197	139	54	4	0	6,627	13,271	16,982
eval	gov_report	200	200	89	84	24	3	8,902	18,212	52,521
eval	musique	200	200	3	46	151	0	16,733	17,231	17,824
eval	qasper	148	200	187	10	3	0	4,674	7,469	21,879
eval	qmsum	35	200	40	108	52	0	12,970	25,539	30,377
eval	samsum	200	200	88	104	8	0	9,215	14,930	17,987
train	hotpotqa	200	1,600	216	880	504	0	14,982	16,947	17,578
train	hotpotqa_e	288	2,304	928	1,120	256	0	9,693	16,530	17,322
train	multi_news	199	1,592	1,552	40	0	0	2,048	4,834	14,278
train	multi_news_e	282	2,256	1,336	736	152	32	6,768	15,226	41,048
train	multifieldqa_en	112	896	504	384	8	0	7,712	12,004	16,446
train	narrativeqa	20	160	0	48	48	64	31,296	60,327	65,301
train	triviaqa	200	1,600	536	680	384	0	11,530	19,600	23,284
train	triviaqa_e	299	2,392	1,184	856	344	8	8,289	17,669	36,186

Train pool: 1,600 unique contexts → 12,800 question rows (split into HF train + validation). Eval pool: 980 unique contexts → 1,197 question rows (uploaded as HF test).

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