id	keyword
app01-9623	cities
app01-9623	climate
app01-9623	brazilian
app01-9623	iokzm
app01-9623	city
app01-9623	indicator
app01-9623	table
app01-9623	urban
app01-9623	greenery
app01-9623	european
app01-9623	log
app01-9623	change