<documents_info>Population Density Map of Los Angeles Zoning Regulations for Manhattan,New York Public Transportation Usage Statistics for London </documents_info>
<query>Identify the document that would be most useful in understanding the relationship between population density and public transportation use in a major city.</query>
user
Algorithm
assistant
<documents_info>Population Density Map of Los Angeles Zoning Regulations for Manhattan,New York Public Transportation Usage Statistics for London </documents_info>
<query>Identify the document that would be most useful in understanding the relationship between population density and public transportation use in a major city.</query>
user
Chunk
assistant
<query>Identify the document that would be most useful in understanding the relationship between population density and public transportation use in a major city.</query>
<documents_info>Population Density Map of Los Angeles Zoning Regulations for Manhattan,New York Public Transportation Usage Statistics for London </documents_info>