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 periodically covered large parts of Africa.
Label: nei
Span interactions:
level: high
labels: Synonym
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Synonym
premise_text: Cordilleran Ice Sheet
hypothesis_text: Cordilleran Ice Sheet
level: high
labels: Synonym
Synonym
Synonym
premise_text: The Cordilleran ice sheet
hypothesis_text: Cordilleran Ice Sheet
level: high
labels: Synonym
premise_text: periodically covered large parts of
hypothesis_text: periodically covered large parts of