Problem: The FMA IA 58 Pucara (Quechua: "Fortress" ) is an Argentine ground-attack and counter-insurgency (COIN) aircraft manufactured by the Fabrica Militar de Aviones. It is a low-wing twin-turboprop all-metal monoplane with retractable landing gear, capable of operating from unprepared strips when operationally required. The type saw action during the Falklands War and the Sri Lankan Civil War.

Based on the paragraph above can we conclude that "FMA IA 58 Pucara saw action in the Lri Sankan Civil War."?

A: It's impossible to say

Problem: Warrant Officer Kenji Yanagiya ( , Yanagiya Kenji , March 1919 February 29, 2008) was a member of the Imperial Japanese Navy's Zero fighter aces who fought the Battle of Solomon Islands in October 1942 June 1943. He is best known as the only escort fighter pilot of the Yamamoto mission to survive the war.

Based on the paragraph above can we conclude that "Kenji Yanagiya was between 23 and 24 years old when he fought in the battle of the Solomon Islands."?

A: Yes

Problem: Harold E. Ennes was a broadcasting pioneer who authored many textbooks for broadcast and broadcast-related communications training and was a member of the Indianapolis chapter of the Society of Broadcast Engineers. He was a member of SBE's national Certification Committee and made many contributions to the early development of the SBE Certification Program.

Based on the paragraph above can we conclude that "Harold authored all of his books prior to his joining the SBE's Certification Committee."?

A:
It's impossible to say