In order to have rain you must have a cloud--a cloud is made up of water in the air (water vapor.)
(you; must have; a cloud--a cloud is made up of water in the air (water vapor) (a cloud; is made up; of water in the air (water vapor)
you a cloud
must have is made up
a cloud--a cloud is made up of water in the air (water vapor
of water in the air (water vapor