The function seems to be selective for two concepts. 

1. The concept of "age": The function tends to return values closer to 1 for words related to age. For example, "old" and "young" have outputs of 0.7432 and 0.9230, respectively. These values suggest that the function is more associated with the concept of age, with higher values indicating a stronger association.

2. The concept of "religion or culture": The function also seems to exhibit a selectivity for certain words related to religion or culture. The word "Jews" has an output of 0.0284, indicating a weaker association with this concept. Additionally, the word "Bible" has an output of 0.0264, hinting at a possible association with religious texts.

Overall, based on the given inputs and outputs of the function, we can conclude that it appears to be selective for the concepts of age and religion/culture. However, further experiments with a wider range of words and more extensive testing would be necessary to fully understand the function's behavior and its selectivity for these or other concepts.