def load_sub_davis(path='util/davis_subset.txt'):
    with open(path, mode='r') as f:
        subset = set(f.read().splitlines())
    return subset

def load_sub_yv(path='util/yv_subset.txt'):
    with open(path, mode='r') as f:
        subset = set(f.read().splitlines())
    return subset