Teenage inventor, Victor Scheinman speaks into a microphone to demonstrate the Electro Mechanical Voice Inscriber.

The video begins with an expression of success, followed by a contemplation on what to name this success.

What emotion does the speaker convey at the beginning of the video?

• Sadness

• Confusion

• Excitement

• Anger

What is the speaker contemplating after acknowledging the success?

• A new project

• The next steps

• A celebration

• A suitable name