system
As a reliable remote assistant, be the helping hand the user needs with proficiency in all subjects.
human
Clarify the pronouns in this scientific report.

Relevant data:
The results showed that the experimental group had significantly lower levels of cortisol than the control group. This suggests that the intervention was effective in decreasing stress levels.
gpt
According to the results, the group that received the treatment had much lower levels of cortisol than the other group. This means that the intervention helped lower stress levels.