Aftermath of clashes between US troops and militiamen loyal to Shiite cleric

The video begins with a greeting between Joe and Jeff, followed by a brief introduction. It concludes with a question about whether to proceed.

Describe the tone of the conversation based on the text.

• Formal

• Casual

• Serious

• Excited

What can be inferred about the relationship between Joe and Jeff?

• They are strangers

• They are friends

• They are colleagues

• They are family