First determine whether each sentence of the following thesis fragment meets the succinctness requirements for SCI review, if all of them do, output [], if there are sentences that do not meet, please put the non-compliant sentences into a python list and output them together.
Thesis fragment:
Despite having been established for over a century, the framework for classifying different types of climate that was originally developed by NAME_1 and subsequently adjusted and revised by his various collaborators and those who followed in his intellectual footsteps, continues to be utilized extensively to this day.This enduring classification system is a common feature in educational environments, being frequently incorporated into the curricula of school-level geography and environmental science classes, as well as in more advanced courses at the undergraduate level that focus on climate and climatology, due to its clear structure and comprehensive nature.
Sample output:
["xxxxxxxxxxxxxxxxxxxx"] In your entire response, the letter r should appear at most once.
user