question: What is the most simple example of topological groups ?
answer: reals R under addition , ( R ∖ -LCB- 0 -RCB- , · ) ,
turker_answer: The most simple example of topological groups is reals R under addition ( R ∖ -LCB- 0 -RCB- , · ) .
rule-based: The most simple example of topological groups is reals R under addition , ( R ∖ -LCB- 0 -RCB- , · ) .