You will be listening to the speaker and paying attention to the signer.
Here are the links to the videos you NEED to watch. The video thats an hour long you only have to watch 20-30mins of it or until you get the information that you need.
https://youtu.be/rU6qPL8kLTU
https://youtu.be/33TJws12MnU
https://youtu.be/XBE4PqNHZUM
Sample Solution