{
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      {
        "role": "user",
        "content": "Summarise the passage below in at most 60 words. Use only information that is in the passage; do not add anything you know from elsewhere. Output the summary and nothing else.\n\nPASSAGE:\n_=The Sets.=_ A set of dominoes is a number of pieces of bone, usually\nabout 1½ inches by ¾, and ⅜ thick. These bones have upon their faces\nthe permutations of the numbers from six to blank, taken two at a time.\nSome sets begin at double nine, and others at double twelve; but the\nstandard set is double six, and is composed of twenty-eight pieces.\n\n_=The Suits.=_ All the dominoes with the same number upon either end\nbelong to the same suit; the seven bones with a 4 forming the 4 suit;\nthose with a 6 the 6 suit, and so on. The number of pips in each suit\nmay be easily remembered by observing that the ace suit has the same\nnumber of pips as the pieces in the set, 28; and that each suit above\nthe ace has seven pips more than the number of pieces in the set, while\nthe blank suit has seven pips less, so that each suit progresses in\nregular order, seven pips at a time, as shown in the margin.\n\n  Blank  21\n  Ace    28\n  Deuce  35\n  Trey   42\n  Four   49\n  Five   56\n  Six    63\n\n_=Shuffling and Cutting.=_ Dominoes are provided with a small brass\npin in the centre of the face, which enables one to spin them round,\npush them about on the table, and so to shuffle them thoroughly. There\nare three methods of determining who shall have the first play, or\n_=set=_, as it is called: _=1.=_ The player having the higher double;\nor, failing any double in either hand, the _=heavier=_ domino, that\nis, one with a greater number of pips on its face than any held by his\nadversary. _=2.=_ One player selects any two dominoes, face down, and\npushes them toward his adversary, who chooses one. Both are then turned\nup, and whichever gets the lighter domino has the first set. _=3.=_\nEach player draws a domino, face down, and the one getting the lower\ndouble sets first. If neither draws a double the lighter domino sets."
      }
    ]
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  "answer": "A standard domino set contains twenty-eight bone pieces with numbers from blank to six. Dominoes sharing a number form a suit, with pip counts increasing by seven per suit. Players shuffle using a central pin and determine the first player via three methods: highest double, selecting lighter dominoes, or drawing the lowest double.",
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