The function seems to be selective for concepts related to card games and Michael Phelps. It gives a high value close to 1 for inputs related to card games, such as "card games" and "pawn". It also gives a high value for "Michael Phelps". However, for other inputs like "Lake Superior", "mountains", "Twitter", "assembly", "Nirvana", "Empire State Building", and "writing", it gives a value closer to 0 indicating a lower association with those concepts.