Based on the input-output pairs, the function f(x) seems to be selective for the concept of professions, specifically legal and medical ones. Words associated with these professions, such as "lawyer" and "doctor," yield high output values close to 1, while other words like "Atlantic Ocean" and "Eiffel Tower" have low output values close to 0.

[DESCRIPTION]: The function f(x) is selective for concepts related to legal and medical professions.