Start: May 12, 2020, midnight
Description: You can submit your results of validation set for track 2. Due to a heavy submission and evaluation processing, it may take from 1 hour to several hours till you see your results on the leader board. Please be patient!
Start: Nov. 6, 2020, midnight
Description: You can submit your results of test set for track 2.
Nov. 20, 2020, midnight
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