Please assess the completion status of the following clinical trial:

Trial Title: Green Tea and Tai Chi for Bone Health

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: FACTORIAL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE1/PHASE2
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~* Women at least 2 years after menopause (to ensure established postmenopausal status).~* Sedentary at baseline.~* Normal laboratory evaluation, thyroid function, hepatic function, renal function.~* Osteopenia.~Exclusion Criteria:~* History of scoliosis, severe osteoarthritis, etc., or other spinal disease that may result in anatomy unsuitable for accurate bone densitometry.~* History of cancer with some exceptions.~* History of metabolic bone disease.~* Having used anabolic steroids, calcitonin, calcitriol, alfacalcidol, etc.~* Fluoride treatment at a dose greater than 1 mg/day any time.~* History of glucocorticoid treatment.~* Any previous treatment with bisphosphonates.~* Uncontrolled intercurrent illness such as symptomatic congestive heart failure, myocardial infarction or stroke, hypertension, or terminal illness.~* Physical conditions that preclude participation of exercise intervention.~* Cognitive impairment.~* Depression.~* History of malabsorption syndrome and uncontrolled diabetes mellitus.

- Gender: FEMALE
- Minimum Age: None
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- Placebo pill (Type: PLACEBO_COMPARATOR): 24 weeks of placebo.
- Green Tea Polyphenols (GTP) (Type: ACTIVE_COMPARATOR): 24 weeks of green tea polyphenols
- Placebo+Tai Chi (TC) (Type: ACTIVE_COMPARATOR): 24 weeks of placebo plus Tai Chi exercise.
- GTP+TC (Type: ACTIVE_COMPARATOR): 24 weeks of green tea polyphenols plus Tai Chi exercise.

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