'We should replace the booking tool' is a recommendation. A spreadsheet attached to it is evidence. The missing connection is the reason those observations support that recommendation.

The Minto Pyramid Principle, developed by Barbara Minto, organises related ideas under a main point. We will use a simple claim–reason–evidence outline to inspect a work proposal. It is one writing method, not proof that the proposal is correct. Minto's description (opens in a new tab) explains the grouping approach.