Some people believe there is intelligent life somewhere in the universe besides Earth  But no one who believes that could also believe all planets other than Earth are devoid of life
Thus, some people do not believe all planets other than Earth are devoid of life
Some dog owners believe their dogs are emotionally attached to them. Since no one could believe that and also believe dogs are incapable of thought, it follows that some dog owners do not believe dogs are incapable of thought.