MEGC2022 - spotting task - unseen test set

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* SAMM Challenge dataset: 
Please download and fill in the license agreement form (https://megc2022.github.io/files/SAMM_ReleaseAgreement.pdf), and then upload the scanned version with your signature here:

* CAS(ME)^3 Challenge dataset:
Please download and fill in the license agreement form (https://megc2022.github.io/files/CAS3_clip_ReleaseAgreement.pdf), and then upload the scanned version with your signature here: