def get_level_description(level):
    """Convert level number to a word description."""
    if int(level) == 1:
        deception = "lowest"
    elif int(level) == 2:
        deception = "low"
    elif int(level) == 3 or int(level) == 4:
        deception = "moderate"
    elif int(level) == 5:
        deception = "high"
    elif int(level) == 6:
        deception = "highest"
    else:
        raise ValueError(f"{level} is an invalid Complexity level.")

    return deception