1. A non-transitory controller readable medium storing a program causing a controller in a computer to execute steps including: receiving print information from a printer with which the computer can communicate, the print information being text data written as text; deconstructing the text data and generating multiple words; acquiring keyword information identifying a keyword, and the relation information identifying a relationship between the keyword information and a word to detect; and detecting from the multiple words, based on the keyword information and the relation information, the word to detect.