168715
Abbreviations used Military rank Other Army of the Mississippi MG William S. Rosecrans Army of West Tennessee MG Ulysses S. Grant ( not present ) Detachment commanded by BG James B. McPherson Sources
 Army of the Mississippi, William S. Rosecrans Army of West Tennessee, Ulysses S. Grant, James B. McPherson
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Army of the Mississippi, William S. Rosecrans Army of West Tennessee, Ulysses S. Grant, James B. McPherson