There are videos for every problem within this game. On each question, you should see the option to watch either a "Game Setup" or a "Question Explanation." The specific question that you posted on is #16, so the linked question explanation would only explain #16. If you're asking about a different question, you should first go to the page with that question and then click on the video.
If you are still having trouble, you may be experiencing technical difficulties. Please direct any support related issues to our support staff by tapping "support" from the left menu or by calling 855.483.7862 ext. 2 Monday-Friday 9am-6pm PT.
Does that help? Please let us know if you have any other questions!