Please assess the completion status of the following clinical trial:

Trial Title: Mars Flavanol Exercise and Cognitive Function Study

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: FACTORIAL
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: SINGLE
- Phase: None
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~1. Age 50-75~2. English-speaking~3. Ambulatory~4. BMI \< 32~5. Post-menopausal (women only), no estrogen replacement therapy~6. VO2max \< 36 and 33 ml/kg/min for men age 50-59 and 60-69 respectively; \< 29 and 27 ml/kg/min for women age 50-59 and 60-75 respectively.~7. Baecke Physical Activity Sports Score ≤ 2~8. Medical clearance to participate in the study (normal serum electrolyte, BUN, creatinine levels, normal blood pressure and resting cardiogram)~Exclusion Criteria:~1. Use of psychotropic medications~2. Current psychiatric disorder~3. Any condition for which aerobic training is counter-indicated~4. Habitual consumers of dietary or herbal supplements, including Gingko, flavonoid, and dietary herbal or plant extracts~5. Lactose Intolerance~6. Individuals who report directly to any of the study investigators~7. Diabetes~Exclusion Criteria (MRI-related)~1. Cardiac Pacemaker~2. Internal Pump~3. Insulin Pump~4. Tattoo eyeliner~5. Wire Sutures~6. Internal Metal Objects~7. Metal Slivers in Eye~8. Prosthesis~9. Hearing Aid Implants~10. Neurostimulator~11. Metal Fragments~12. Brain Aneurysm Clips~13. Vascular Clips~14. Breast Expander~15. Vena Cava Filter~16. Heart Valve~17. Metal Stents~18. Asthma~19. Hay-Fever~20. Sickle Cell Disease~21. Kidney Disease~22. Pregnant

- Gender: ALL
- Minimum Age: 50 Years
- Maximum Age: 75 Years
- Healthy Volunteers: t

Study Arms:
- exercise, dietary intervention (Type: ACTIVE_COMPARATOR): aerobic training and flavanol containing food product for 12 weeks
- no exercise, dietary intervention (Type: ACTIVE_COMPARATOR): wait list control plus flavanol containing food product for 12 weeks
- exercise, food product lacking flavanol (Type: ACTIVE_COMPARATOR): aerobic training plus food product without flavanol for 12 weeks
- wait list control food additive without flavanol (Type: PLACEBO_COMPARATOR): wait list control plus food product without flavanol for 12 weeks

Based on this trial design, predict the completion outcome and termination type (if applicable).