Based on the additional outputs of the function, it appears that the function is also selective for the concept of "natural wonders" and "human-made structures". The function seems to be able to distinguish between natural wonders that are well-known and those that are lesser known. Additionally, the function appears to have a strong association with the concept of "water" and "size", as evidenced by its output for "reservoir" and "Pacific Ocean".

Here is a simple description of the function implemented by f(x):

[DESCRIPTION]: The function takes a word input and returns a value between 0 and 1, indicating the degree of association with the concepts of landmarks, mythology, natural wonders, human-made structures, water, and size. The function is selective for these concepts and can distinguish between well-known and lesser-known instances of them.

I hope this description accurately reflects the behavior of the function. Please let me know if you have any further questions or if there is anything else I can help with.