Option a looks like the best answer to me
sorry if i’m wrong but i hope this helps
1. Adj: Taylor loved the blue bow adorning the picture frame.
2. Noun: She was dressed in all blue.
It basically means that someone controls many feelings about another, where it leads to them not knowing how they feel, or that they have "mixed feelings"
There are a lot of words which start with f: fain, fell, faring.
This is called alliteration.
The answer is Food poisoning is a cause for concern. Because like the question says, or the answer, Food poisoning can be a big problem, but it also can be not too bad.