The function f(x) seems to be selective for words related to music and entertainment. It assigns higher values (closer to 1) to words like "jazz" and "nightlife," which are associated with the concept of music and entertainment. It also shows some selectivity for words related to sports, as words like "puck" receive relatively high values. On the other hand, more neutral and general words like "neutral" and "writing" receive lower values (closer to 0). The function does not appear to be highly selective for specific concepts, but it demonstrates a propensity for music, entertainment, and possibly sports-related words.