And our FedEx Logistics and FedEx Express operating companies continue to work together to secure air charges for customers in the U.S.  Before I close, I’d like to circle back to Brie’s comments about yesterday’s launch of SenseAware ID and the value our sensor-based technology brings to the healthcare industry.
Analyze the relationship between 'FedEx' and 'FedEx Express' within the context of the input sentence.
Options: chief executive officer, distribution format, member of, subsidiary