premise: Europrop International GmbH (EPI) is a joint venture among four European aircraft engine manufacturers, MTU Aero Engines, Snecma, Rolls-Royce, and Industria de Turbo Propulsores. The company's sole product is the Europrop TP400-D6 7970 skW/10,690shp turboprop developed for the Airbus A400M Atlas.
hypothesis: Snecma and Rolls-Royce are two European aircraft engine manufacturers.
reason: MTU Auro Engines, Rolls-Royce, Snecma, and Industria de Turbo Propulsores  developed a joint venture called Europrop International GmbH (EPI).