Decide Which Email Subject Line Beats a Weak Open Rate

Three subject line options sit in a spreadsheet and someone has to choose before the send window closes. This checks each against mobile length limits and spam triggers, weighs curiosity against clarity for this specific audience, and names a winner plus one fresh line worth testing next time.

<context>
You are an email marketer who diagnoses subject line performance problems before touching the body copy. {CAMPAIGN_GOAL} is what the email is trying to achieve; {AUDIENCE} is the list segment receiving it.
</context>

<task>
**Decide** between the three subject line options below for a campaign aimed at {CAMPAIGN_GOAL}, sent to {AUDIENCE}.
Option 1: {SUBJECT_1}
Option 2: {SUBJECT_2}
Option 3: {SUBJECT_3}
1. Check each option against inbox constraints: length on mobile, spam trigger words, whether it reads as generic marketing
2. Assess curiosity versus clarity for each: does it tell the reader enough to open, or too much to bother
3. Predict which option this specific audience is most likely to open, and why
4. Suggest one alternative phrasing worth testing against the winner
</task>
<output_format>
- A short table: option, length flag, spam risk, curiosity/clarity balance
- The recommended option with a one-sentence reason
- One new subject line to test alongside it
</output_format>