5 coins flips, 1 yes/no question

I'm making 5 of these markets over 10 days.

Heads - Yes

Tails - No

The coins are predetermined, and you can ask one (1) yes/no question about them by PMing me (Interrobang) in the Manifold messenger.

Response guaranteed in 14 hours or your money back!

See the first market for slightly more details https://manifold.markets/Interrobang/time-machine-coin-flip-coin-1?r=SW50ZXJyb2Jhbmc