Assertion: lava's temperature | /r/CapableOf | flow through narrow hrunárgil canyon
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Source sentences:
text: The temperature of Hruná river, which flows through the narrow Hrunárgil canyon, into which part of the lava stream was flowing, was recently recorded by geologists to be between 50 and 60 °C (122 and 140 °F), indicating that the river was cooling the lava in that canyon.