Definition: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
Input: How or rather when an activated killer T cell finds cells where the MHC 1 receptor has specific antigens, it releases cytotoxins such as what?

When an activated killer T cell finds cells where the MHC 1 receptor has specific antigens, it releases cytotoxins such as what?