Assertion: glacier's water | /r/CapableOf | lubricate the glacier's base
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Source sentences:
text: However, other factors also affect a glacier's rate of flow, such as whether water is lubricating the glacier's base so that it can slide more easily.
text: However, other factors also affect a glacier's rate of flow, such as whether water is lubricating the glacier's base so that it can slide more easily.