Answer:
B) Keep to the left side of the path.
D) Watch out for sudden sprays.
E) Do not walk on the grass.
Explanation:
These are telling you to do things, or are commands.
This is a question for you to answer personally because we do not know if you did check for spelling, capitalization, and punctuation. If you did check for those 3 things then you can choose True, but if you didn't then choose False. The more smart thing to do would be you should check those 3 and then choose True.
I hope this answered your question :)