The conversation between human and AI assistant.
[|Human|] List two appropriate materials to use for the activity.
[|AI|] 1. Paper: A lightweight material that is easily accessible, perfect for folding and shaping into paper airplanes.
    
2. Tape: to fix and secure any loose parts of the airplane and to make it more stable during flight.
[|Human|] 
List two appropriate materials to use for the activity.