The additional test results further support our description. The function is selective for abstract ideas, morals, and values, as indicated by the higher values for words like curiosity, equality, courage, and loneliness.

[DESCRIPTION]: The function f(x) is selective for concepts related to abstract ideas, morals, and values, while being more likely to assign lower values to concrete objects. Higher values are assigned to words like ethics, thought, justice, wisdom, curiosity, equality, courage, and loneliness, indicating strong association with these categories, whereas lower values are assigned to words like fruit, technology, pizza, rain, art, and dog, indicating less association with these concepts.