Please assess the completion status of the following clinical trial:

Trial Title: Conversations as a Means to Delay the Onset of Alzheimer's Disease

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: SINGLE
- Phase: EARLY_PHASE1
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Non-demented participants~* Willing to participate in daily conversation using internet/webcam with interviewers for 6 weeks~* Willing to monitor daily conversational amount using a digital recording device~* Willing informant who has frequent contact with the participant~Exclusion Criteria:~* have major illness or disabilities which interfere with interacting using the audio/video technology~* diagnosed as dementia~* MMSE \< 24 at screening~* Geriatric Depression Scale (15 items) \>4 at screening

- Gender: ALL
- Minimum Age: 70 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- Control group (Type: PLACEBO_COMPARATOR): No daily conversational sessions with interviewers using webcam/internet. Weekly web-based heath form must be submitted using internet/PC. If not, subjects receive prompts from study personnel.
- Active social engagement group (Type: ACTIVE_COMPARATOR): Engage in 30 minutes video chat daily (5 times per week, except weekend) with interviewers for 6 weeks. Weekly web-based heath form must be submitted using internet/PC. If not, subjects receive prompts from study personnel.

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