Fresh water from sea water

This task is about changes in state of water.

Question 1Change answer

diagram of experiment for fresh water from sea water
 
This apparatus was set up to separate and collect fresh water from sea water. There are three changes of state (e.g., solid  liquid) occurring in this diagram.
What are these changes, and where are they occurring?
 
Change of state
Where the change is occurring
i)
ii)
iii)