Sherlock, the dog, takes his job of protecting his owners' home very seriously. he sits at the window all day and barks whenever he perceives a threat. the problem is, often he barks at innocuous things like the rustling of the wind or a car door shutting a block away. in terms of detecting threats, sherlock makes many due to a decision criterion.

Currently, as of february 2016, an american traveling in france would be by the exchange rate. the weakness of the euro and the strength of the us dollar means that items in france cost less to an american than they otherwise would. of course, if this trend reverses and the us dollar weakens and the euro strengthens, such as was happening in early 2008, an american traveling in france would have an adverse experience because items would cost relatively more.