TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: Context : Carnival Air Lines was a charter and scheduled airline division of Carnival Cruise Lines started in 1988 after Carnival Cruise Lines purchased Pacific Interstate Airlines. 
Question : What company is Carnival Air Lines part of?

SOLUTION: Carnival Cruise Lines

PROBLEM: Context : Robert Lee Howze (August 22, 1864 -- September 19, 1926) was a United States Army Major General who was a recipient of the Medal of Honor for his actions during the Indian Wars. 
Question : Which armed forces did Robert Lee Howze serve?

SOLUTION: United States Army

PROBLEM: Context : Being one of the key figures of the North Vietnam armed forces in Vietnam War, Lê Trọng Tấn was Deputy Commander of the Viet Cong and second commander of the 1975 Spring Offensive that effectively ended the war. 
Question : What was the war that Lê Trọng Tấn fought in?

SOLUTION:
Vietnam War