What are the common formats of competitive debate in the US?
- Public Forum
- Lincoln-Douglas
- Policy
- Congressional Debate
- British Parliamentary 
- World Schools Debate
- International Public Policy Forum
<START_INST>What are the common formats of competitive debate in the US?<END_INST><START_CTX><END_CTX><START_A>- Public Forum
- Lincoln-Douglas
- Policy
- Congressional Debate
- British Parliamentary 
- World Schools Debate
- International Public Policy Forum<END_A>