def find_support(pattern, supports):
    """
    This method considers support of a pattern as the minimum support among its items

    patterns: List. list of items in pattern.
    supports: Dict
    """
    min_support = None

    for item in pattern:
        if min_support is None:
            min_support = supports[item]
        else:
            if supports[item] < min_support:
                min_support = supports[item]

    return min_support