school.graphite_ingot_____Graphite Ingot_____false
school.ink_bottle_____Bottle of Ink_____false
school.cloud_____Cloud Material_____false
school.sharpener_____Pencil Sharpener_____false

school.gradeA_____aA+_____true
school.gradeB_____2B_____false
school.gradeC_____eC_____false
school.gradeD_____6D_____false
school.gradeE_____cE_____false
school.gradeF_____4F-_____false

