Assertion: glacier's line | /r/CapableOf | retreat into the bay
Facets:
value: further
type: MANNER
Source sentences:
text: It is buttressed by a large ice shelf that is currently thinning8, and the ice stream itself has a negative mass balance (the melting is not replaced by snowfall)3, it is flowing faster9, and the grounding line is retreating further and further up into the bay.