Roadside bomb blast kills four, wounds 11 in Sadr City, officials say

The video begins with a simple greeting, 'Mccarville hello,' which serves as an introduction.

What is the first word mentioned in the video?

• Introduction

• Mccarville

• Hello

• Welcome

What is the purpose of the initial greeting in the video?

• To introduce the speaker

• To ask a question

• To conclude the session

• To provide a summary