If I donate blood today, then I will feel sick afterward.

Created by Jayson Virissimo on 2012-05-25; known on 2012-05-26; judged right by Jayson Virissimo on 2012-05-25.

• Jayson Virissimo estimated 75% on 2012-05-25
• Jayson Virissimo   judged this prediction right on 2012-05-25.