def is_contained_in(frst, scnd):
    """
    Is the first region contained in the second.

    :param frst: a tuple representing the first region
                 with chromosome, start, end as the first
                 3 columns
    :param scnd: a tuple representing the second region
                 with chromosome, start, end as the first
                 3 columns
    :return: True or False
    """
    if frst[0] != scnd[0]:
        return False
    if frst[1] >= scnd[1] and frst[2] <= scnd[2]:
        return True
    return False