This observation is in conflict with {HEAD ~ the prior art} that taught that {TAIL ~ an increase} in total TFA caused MFD 
taught
This observation is in conflict with { HEAD ~ the prior art } that taught that { TAIL ~ an increase } in total TFA caused MFD
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH