<u>Answer:</u>
<em>The close relationship between sumo wrestlers could be an incentive for an elite wrestler to throw a match he does not need to win. </em>
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<u>Explanation:</u>
According to the passage given, it is clear that the wrestlers were intact at night and would not allow any incentives that would have led them to lose in the fight and if they lost then bribes would have emerged as the other means of incentives. The relationship of Sumo made more understand that the race with internal smiles needed one to cross several miles in life.
