One

The following equal 1.

• The probability that, if I lie down on the couch for a bit of a snooze, Marley will stick his nose in my face.
• The temperature, in Celsius, of Marley's nose at that time.
• The amount of time, in minutes, that Marley will stay outside on a rainy morning.
• The distance, in centimeters, that Marley will be from my leg while he's wet from the rain.
• Where, on a scale from 1 to 10, where 1 is the highest score, Marley ranks.