Not sure Siri (Wolfram) has Soylent, but you can ask her about "calories in a slice of pizza" or "calories in a cheeseburger" :) Does anyone know if there is a

Not sure Siri (Wolfram) has Soylent, but you can ask her about "calories in a slice of pizza" or "calories in a cheeseburger" :) Does anyone know if there is a js-lib where you can subtract units and <subject> from written text like this does? I have my own database of values I want to try this on.