Assertion: value | /r/HasProperty | 10 per hour
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Source sentences:
text: For example, if a traveler has a choice between a coach which takes six hours and costs £10, or a train which takes four hours and costs £30, we can deduce that if the traveler chooses the train, their value of time is £10 per hour or more (because they are willing to spend at least £20 to save two hours' travel time).