Based on the output of the function for the given inputs, here is a description of the function implemented by f(x):

[DESCRIPTION]: The function seems to be selective for concepts related to sports, specifically baseball. The word "pitcher" has a high association score of 0.5156, indicating a strong connection to the concept. Similarly, the word "batter" has a relatively high score of 0.4149. This suggests that the function is selective for baseball-related terms. 

Additionally, there seems to be a slight association with the concept of writing or literature. The words "script" and "Pulitzer Prize" have lower scores of 0.0115 and 0.0061 respectively, indicating a weaker association. 

Overall, the function appears to be selective for both baseball-related concepts and, to a lesser extent, writing or literature-related concepts.