Final answer:
To maintain productive conversation with an upset parent or library patron, it is important to keep the conversation on a professional level rather than a personal level.
Step-by-step explanation:
The correct answer is 2) professional.
When dealing with an upset parent or library patron, it is important to keep the conversation on a professional level rather than a personal level. This means focusing on the facts and maintaining a respectful tone, avoiding getting emotionally involved in the situation.
For example, instead of responding to an upset parent by saying, "You're being unreasonable," a more professional response would be, "I understand your concerns, and I'm here to help find a solution." By keeping the conversation professional, you can increase the chances of finding a resolution and maintaining a positive relationship.