A battery has both a plus pole and a minus pole.

There are people here who are dead set on convincing everybody this hurricane is the result of climate change.

I do not want to spend long in examining the arguments for this general deprecation of sense-perception or the intellectual motives for denying all credentials to sense-perception in order to enhance those of calculation, demonstration or religious faith. I want to get quickly to the much thornier briar-patch, the place, namely, where scientific accounts of perception seem to issue in the consequential doctrine that observers, including the physiologists and psychologists themselves, never perceive what they naïvely suppose themselves to perceive.

It has been exploited in a range of natural language processing applications and has inspired the development of framenets for many languages.