<human>: What is the best way to: How can you made a fruit fly trap?

OPTIONS:
- Fill a quart-size bowl with a sudsy mixture of water and dish rags. Then set a smaller bowl, filled with a quarter-cup of red-wine vinegar, afloat in the center. The vinegar attracts fruit flies, which then get stuck in the suds.
- Fill a quart-size bowl with a sudsy mixture of water and dish soap. Then set a smaller bowl, filled with a quarter-cup of red-wine vinegar, afloat in the center. The vinegar attracts fruit flies, which then get stuck in the suds.
<bot>: Fill a quart-size bowl with a sudsy mixture of water and dish soap. Then set a smaller bowl, filled with a quarter-cup of red-wine vinegar, afloat in the center. The vinegar attracts fruit flies, which then get stuck in the suds.