As a novice consumer representative you can use your inexperience to your advantage. No one expects you to know everything. Use the opportunity to ask questions such as:

• would you mind defining that term for me?
• I don't know the background to that decision - could you fill me in briefly?
• why didn't that plan work?
• what was the original intention?

Don't be afraid to ask questions, chances are other members of the committee may also need clarification on issues or additional information.