9203
They returned to Egypt in June 1917 where they were attached to the Desert Mounted Corps , until April 1918 , when they left the Brigade , and were dismounted to form B Battalion , Machine Gun Corps with the Warwickshire Yeomanry .
 location: Egypt; organization: Desert Mounted Corps; organization: Machine Gun Corps; organization: Yeomanry
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Egypt; organization: Desert Mounted Corps; organization: Machine Gun Corps; organization: Yeomanry