Assertion: cauldron | /r/CapableOf | make first contact of operationon
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Source sentences:
text: Cauldron on 18 March 1968 when they encountered the enemy in the 13 Troop, 3 Commando, under Lieutenant Sachse, made the first contact of Operationon 18 March 1968 when they encountered the enemy in the Mana Pools