def get_fastq_manifest_entry_for_ss2(bundle):
    """Return the bundle manifest file entry for the input fastq files for SmartSeq2 pipeline.

    Args:
        bundle (humancellatlas.data.metadata.Bundle): A Bundle object contains all of the necessary information.

    Returns:
         tuple: A tuple consisting of the bundle manifest file entry for the input fastq files, which are corresponding to
         read index 1 and 2 respectively.
    """
    fastq1_manifest_entry = fastq2_manifest_entry = None
    sequence_files = bundle.sequencing_output

    for sf in sequence_files:
        if fastq1_manifest_entry and fastq2_manifest_entry:
            return fastq1_manifest_entry, fastq2_manifest_entry  # early termination
        if sf.read_index == 'read1':
            fastq1_manifest_entry = sf.manifest_entry
        if sf.read_index == 'read2':
            fastq2_manifest_entry = sf.manifest_entry
    return fastq1_manifest_entry, fastq2_manifest_entry