At a football match between Glasgow Belles and Doncaster City, five supporters each made a prediction:
1. The game will end in a draw; 2. Glasgow will score; 3. Glasgow will win; 4. Glasgow will not lose; 5. Exactly five goals will be scored.
What is the maximum number of these predictions that could simultaneously come true?
Want a route through all this instead of an archive? The track
puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.