Premise: Source: Cordilleran Ice Sheet
The Cordilleran ice sheet was a major ice sheet that periodically covered large parts of North America during glacial periods over the last ~ 2.6 million years .
Hypothesis: Cordilleran Ice Sheet dates back 4 million years.
Label: nei
Span interactions:
level: low
labels: Hypernym-two-way
premise_text: periods
hypothesis_text: dates
level: high
labels: Synonym
Synonym
Synonym
premise_text: Cordilleran Ice Sheet
hypothesis_text: Cordilleran Ice Sheet
level: high
labels: Synonym
Synonym
premise_text: The Cordilleran ice sheet
hypothesis_text: Cordilleran Ice Sheet
level: high
labels: Hypernym-h-to-p
premise_text: periods
hypothesis_text: dates
level: high
labels: Synonym
premise_text: The Cordilleran
hypothesis_text: Cordilleran Ice Sheet