Unlike German Shepherds or Doberman pinchers, there is an unwillingness on the part of many people to believe that pit bulls might bulls might be fully domesticated.

a.
b. Many people, willing to believe that German shepheds and doberman pinchers might be fully domesticated, are unwilling to believe the same of pit bulls.
c. Unlike German shepherds or Doberman pinchers, pit bulls bring out an unwillingness in many people to believe that they might be fully domesticated.
d. Many people are unwilling to believe that pit bulls might be fully domesticated even while they are willing to believe that German shepherds and Doberman pinchers might be.
e. Unlike German shepherds and Doberman pinchers, which many people are willing to believe can be domesticated, such belief does not extend to pit bulls.

Source Kaplan