Question: What type of group does Lincoln by-election, 1973 and Democratic Labour have in common?
Sentence (from "Lincoln by-election, 1973"): The Lincoln by-election of 1 March 1973 saw the re-election of Dick Taverne as Member of Parliament for Lincoln as a Democratic Labour representative, after Taverne's pro-Common Market views saw him repudiated by the Lincoln Constituency Labour Party.
Relevant evidence: Yes