Filed H4-F1 first & H4ead together. If i get approval on either what happens to other

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I'm currently on H4. I then decided to pursue MS so we applied for COS to F1. It's been 8 months i still don't have an F1 approval. Now we have filed for my H4 extension (which is about to expire) and H4 EAD together. Assuming I get either one of this status (F1 or H4 ead). What happens to other application? Would it automatically be cancelled or status would be changed again?

Any expert advice would be helpful - Thanks!