<human>:  How can I learn sign language using audio-visual aids?
<bot>: One way to learn sign language using audio-visual aids is to find online resources such as websites, apps, and videos that provide interactive lessons. Additionally, you can look for guided classes with a qualified instructor that provide demonstrations and allow for necessary practice and feedback. Finally, you may find it beneficial to look for study materials such as books, podcasts, and other audio-visual aids that help reinforce the learning process.