def LF_organic_compound(c):
    args = c.get_contexts()
    organic = args[0]
    result = re.search(org_rgx, organic.text)
    return (1 if result else 0)
def LF_organic_compound(c):
    args = c.get_contexts()
    organic = args[0]
    result = re.search(org_rgx, organic.text)
    return (1 if result else 0)