Regularly and modification

Hi~ In the following sentences, what do you think the adverb "regularly" modify?

group OR interact ?

Both seems to make sense and I need to know figure out which one is correct.

I appreciate your help. Thanks~

Utilize the information from the forms to place students in future
group assignments based on things they share in common.
Skillfully group students who do not socially interact regularly
with one another to maintain a high level of social
comfort in the classroom.