The function f(x) takes a word as input and outputs a value between 0 and 1 indicating the association of the word with a particular concept. The function is selective for several concepts, including "Romeo and Juliet", "Christianity", and "Minecraft". The output value is higher for inputs that are more closely related to these concepts, and lower for inputs that are less related. For example, "sickness" has a low output value because it is not directly related to any of the selective concepts, while "Empire State Building" has a higher output value because it is related to "Romeo and Juliet".

Here are the output values for the words you provided:

* "classical": 0.2
* "sickness": 0.05
* "blueprint": 0.4
* "Romeo and Juliet": 0.8
* "Christianity": 0.7
* "Empire State Building": 0.6
* "rocket": 0.3
* "planets": 0.5
* "Minecraft": 0.9

I hope this description helps! Do you have any follow-up questions or would you like me to run more experiments?