user: Identify which instrument is string or woodwind: Hornpipe, Gusli

assistant: Gusli is string, Hornpipe is woodwind.

user: What is a community structure in the study of complex networks?

assistant: In the study of complex networks, a network is said to have community structure if the nodes of the network can be easily grouped into (potentially overlapping) sets of nodes such that each set of nodes is densely connected internally.

user: List five titles by Jules Vernes.

assistant: Around the World in Eighty Days, From the Earth to the Moon, Martin Paz, Journey to the Centre of the Earth, A Drama in the Air