create type blood as enum ('A','B','AB','O','other');
create type disaster as enum ('flood', 'wildfire', 'earthquake','tornado','hurricane','other');
create type report_intent as enum ('donation','request','damage');
create type resource as enum ('water','food','money','medicine','cloth','rescue/volunteer');
create type damage as enum ('pollution', 'building damage', 'road damage','casualty','other');