article_snippet.sent: Those who were able to reason their way to the answer followed a series of logical steps that allowed their to rule out the other dates given as part of the question.
article_snippet.sent: To reach the answer, it is possible to work through the information both men known to rule out nine of the dates in a number of steps.
article_snippet.sent: As Bernard says Bernard knows the date, we can whittle the date down further to three dates by ruling out the numbers that appear in duplicate.
highlights_snippet.sent: Question uses logical reasoning to rule out all of the dates apart from one .
  