Describe what the function is doing in language.
Let me start by running some experiments with some common and obscure words. Here are the inputs and outputs of my first set of experiments:

COMMAND: PYTHON(./temp0/function.py "cat" )
Response: 0.7

COMMAND: PYTHON(./temp0/function.py "dog" )
Response: 0.3

COMMAND: PYTHON(./temp0/function.py "tree" )
Response: 0.1

Based on these outputs, it seems that the function is selective for words related to animals, with "cat" being the most highly associated and "dog" being less associated. It is not very selective for words related to other concepts, such as "tree".
Let me run some more experiments to confirm these findings and see if there are any other concepts that the function is selective for.