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The highly under-specified nature of these expressions fits well with our constraint-based representation of time , Time Calculus for Natural Language -LRB- TCNL -RRB- .
 Time Calculus for Natural Language -LRB- TCNL -RRB-, constraint-based representation of time
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 Time Calculus for Natural Language -LRB- TCNL -RRB-, constraint-based representation of time