COUNTRIES = ["ethiopia", "kenya", "malawi", 
             "nigeria", "tanzania", "uganda", "zambia"]
ROOT_CROPS = ["potato", "cassava", "sweet_potato"]
CASH_CROPS = ["coffee", "cocoa", "tea", 
              "tobacco", "cotton", "sugar"]
HORTICULTURE = ["mango", "avocado", "haricot_vert", "banana", "other"]
CEREALS = ["maize", "rice", "wheat", "teff"]
INVESTMENTS = ["agricultural extension", "agricultural research and development", 
               "cooperatives", "credit", "input subsidies", "irrigation", "machinery", 
               "market information", "roads", "storage", "training", "weather surveillance"]

APPROVED_OPTIONS = {
    "countries":COUNTRIES,
    "value_chains":{
        "root crops":ROOT_CROPS,
        "cash crops":CASH_CROPS,
        "horticulture":HORTICULTURE,
        "cereal":CEREALS,
        "other":["livestock and dairy", "fisheries", "pulses and oilseeds"]
    },
    "investments":INVESTMENTS
}