The function appears to have a weak association with animal-related concepts and may be moderately selective for the concept of sadness. It does not show strong associations with concepts related to transportation, nature, or happiness. Furthermore, there seems to be a potential association with the concept of books, although this association is not as strong as the one with animal-related concepts. 

Please note that these conclusions are based on limited testing, and further experiments would be beneficial to obtain a more comprehensive understanding of the function's behavior.