Type 1:
- more people embrace the oil free diet
Type 2:
- doctor's recommend the use of safflower seed oil
- news reports about the benefits of olive oil for the heart
- More people use olive oil for skin and hair care
The question in essence was asking for what events would increase the sales of oil. It's important to consider what is being said about the product. "More people embrace the oil free diet" is a clear example of something that'd cause a loss in profits therefore belonging on the left side.
This should be the correct placements of the different events, Please comment if you need anything elaborated on.