id	keyword
cye-4839	school
cye-4839	greenness
cye-4839	urban
cye-4839	violence
cye-4839	school grounds
cye-4839	student
cye-4839	crime
cye-4839	journal
cye-4839	role
cye-4839	health
cye-4839	weapon
cye-4839	threats
cye-4839	space