<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def run_car_t_validity_assessment(job, rsem_files, univ_options, reports_options):
 """ A wrapper for assess_car_t_validity. :param dict rsem_files: Results from running rsem :param dict univ_options: Dict of universal options used by almost all tools :param dict reports_options: Options specific to reporting modules :return: The results of running assess_car_t_validity :rtype: toil.fileStore.FileID """

    return job.addChildJobFn(assess_car_t_validity, rsem_files['rsem.genes.results'],
                             univ_options, reports_options).rv()