Given the task definition and input, reply with output. Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.

Question: Is cell-mediated cytotoxicity to porcine aortic endothelial cells dependent on galactosyl residues when baboon peripheral blood lymphocytes are previously primed with pig xenoantigens?
Answer: Galactosyl knockout pigs could solve hyperacute rejection and also prevent the activation of NK cells even after xenogeneic priming. T cells will then be the next hurdle for the success of xenografting.
no