Part 7: Options 2 - Interaction, Grammar, Word Prediction, Vocabulary, and Restrictions In this 50-minute video, David and Jennifer continue their in-depth look at Options. They explore Interaction, Grammar, Word Prediction, Vocabulary and Restrictions. Please note, viewing these videos does not qualify as attendance and will not be applied to the requirements for our Proloquo2Go trainer certificate or CEUs. However, if you want to obtain a trainers certificate you should watch these webinars at http://www.assistiveware.com/webinars where we can record your attendance.