premise: Of course , if a researcher tampers with the evidence , making a unilateral , unsupported claim or assumption that a word means something that it does not , then that does not constitute semantic it is what is known as dirty work at the crossroads , and M and S are indulging in a bit of mischief by suggesting that semantic change either has taken place or is taking place because they have some evidence that a certain change in usage had crept in .
hypothesis: When researchers apply the label semantic , they always do so with great care and false is not true .