1)
a - Numbers 2 and 4.
b - 1, 3 and 5, because I visited some sites.
c - Researching more about it and checking on websites.

2)
1 - No, because Trump wouldn't do something like that to the Americans.
2 - yes.
3 - One site was only reliable.
4 - No.

3)
1 - Are not reliable.
2 - Manipulating people with false news, making them take actions or decisions that can risk their lives and those of those around them.
3 - Researching long before sharing a news and preferably have a certain knowledge of its source.