Page:
https://www.greenpeace.org/international/story/44543/fading-memories-of-atomic-bombing-hiroshima-75-years-later/

Description of the issue: On Posts, the Related Articles block is showing
all stories, regardless of tag.

The Related Articles block is should show only Stories based on the Tag(s)
used for that Post.

In this example, the story is tagged #Peace but none of the stories
appearing in the related article block use that tag.
https://www.greenpeace.org/international/tag/peace/

Attachments:
https://drive.google.com/open?id=1hxsChKqjIf929LrXhUWWBn5Ai30kxdCr,
https://drive.google.com/open?id=1tqef9472XzMQ3Djl8EYAaNESZFcrdEnY