Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

Ex Input:
Context : A Rum Collins is a cocktail based on the Tom Collins substituting a light rum for the gin. 
Question : Which is the basis of Rum Collins?

Ex Output:
based on


Ex Input:
Context : Clare Shore (born 1954) is an American composer, music educator mezzo-soprano, and conductor. 
Question : What is the university where Clare Shore went?

Ex Output:
educated at


Ex Input:
Context : Jathibhanga massacre (Bengali: জাঠিভাঙ্গা হত্যাকান্ড) was a massacre of the emigrating Bengali population in the Jathibhanga area of Shukhanpukuri Union under Thakurgaon sub-division of greater Dinajpur district on 23 April 1971 by the Pakistani Army in collaboration with the Razakars. 
Question : On what date did Jathibhanga massacre take place?

Ex Output:

point in time