Fact 1: Fog is formed by water vapor condensing in the air.

Fact 2: San Francisco for its cultural tolerance and frequent fog.

Given the two facts above, answer the question "What is formed by water vapor condensing in the air?" with the following options: 
- cloudy and rainy weather
 - peachleaf willow
 - Something found in San Francisco
 - At the peak of a mountain
 - By wind and rain
 - Something made from fermented ricce
 - Something that makes plants green
 - A transportation fuel


 

   Something found in San Francisco      