def general_acquisition_info(metadata):
    """General sentence on data acquisition.

    This should be the first sentence in the MRI data acquisition section.

    Parameters
    ----------
    metadata : :obj:`dict`
        The metadata for the dataset.

    Returns
    -------
    out_str : :obj:`str`
        Output string with scanner information.
    """
    out_str = (
        "MR data were acquired using a {tesla}-Tesla {manu} {model} MRI "
        "scanner.".format(
            tesla=metadata.get("MagneticFieldStrength", "UNKNOWN"),
            manu=metadata.get("Manufacturer", "MANUFACTURER"),
            model=metadata.get("ManufacturersModelName", "MODEL"),
        )
    )
    return out_str