[['year', 'chassis', 'engine (s)', 'tyres', 'points'], ['1976', 'march 761', 'ford cosworth dfv 3.0 v8', 'g', '- 1'], ['1977', 'ensign n177', 'ford cosworth dfv 3.0 v8', 'g', '- 1'], ['1978', 'theodore tr1', 'ford cosworth dfv 3.0 v8', 'g', '0'], ['1978', 'wolf wr3 wr4', 'ford cosworth dfv 3.0 v8', 'g', '- 1'], ['1981', 'theodore ty01', 'ford cosworth dfv 3.0 v8', 'm a', '1'], ['1982', 'theodore ty02 theodore ty01', 'ford cosworth dfv 3.0 v8', 'a g', '0'], ['1983', 'theodore n183', 'ford cosworth dfv 3.0 v8', 'g', '1']]
every vehicle listed used the exact same Engine type
every vehicle listed used the exact same [ENT] type