1. Where are the eggs? They are in the fridge. 
Where are the eggs which were in the fridge? 
 2. Have you got something? It will get ink out of the carpet.  
 Have you got something that will get ink out of the carpet?
3. Where's the girl? She sells the tickets. 
Where is the girl who sells tickets? 
4. Half of the people didn't appear. They were invited. 
 Half of the people who were invited didn't appear.
5. The festival is called Easter. It is in the late March or early April. 
The festival which is in the late March or early April is called Easter.