#start a line with # mark for comments
#use commas to separate multiple values of a property

Midwest = WI, MI, KS, NE, MO, IL, IN, IA, SD, OH, MN, ND
Northeast = MA, ME, VT, RI, PA, NJ, NY, CT, NH
South = OK, AR, TX, AL, MS, NC, VA, MD, DE, KY, TN, WV, DC, LA, FL, GA, SC
West = WA, CA, OR, NV, NM, CO, WY, ID, MT, AZ, UT, HI, AK
Others = GU, TI, SA, RO, EA, WE, PR, ST, SJ, SC