argue

But opponents argue there is not enough hard proof to warrant the new legislation, which could do more harm than good.

Many servicemembers argue they can afford to take greater risks because they have job security and guaranteed pensions after 20 years of service.

"The only way the monarchy works is by everybody either being apathetic or feeling very affectionate towards it," argues Anna Whitelock, a professor of the history of monarchy at City, University of London.

The authorities have resisted calls from farmers to be allowed to vaccinate their flocks, arguing there is no proof the measure actually works.

You could argue that the first viral example of this experimentation was the espresso martini, whose rise in popularity coincided with the expansion of the coffee liquor market.