A has a Prepositional Phrase.
Hope this helps :D
The second one, because a mandate is an official order.
Can you put the paragraph do I can help
Explanation:
This refers to a short phrase at the top of an online or printed article. A headline summarises or draws attention to a story to encourage people to read it. People often choose to read a few headlines, rather than full articles, to get a quick sense of what's going on in the world when they're busy.