Sentence:The dates for when the coral reefs had been living(125,000, 105,000, and 82,000 years ago) closely matched [e1]dates[/e1] from Milankovitch [e2]cycles[/e2] for times when the ice sheets should have been melted and the seas at their highest(127,000, 106,000, and 82,000 years ago).
 e1: dates. 
 e2 : cycles.
Answer: Other