Here is a goal: How to make a homemade wasp trap?

Which way makes more sense to accomplish this goal?

Choices:
i. Cut the top off a plastic soda bottle, invert the top over the bottom, place salty liquid or lye in the bottom. It will trap the wasps.
ii. Cut the top off a plastic soda bottle, invert the top over the bottom, place sugary liquid or non diet soda in the bottom. It will trap the wasps.
ii.