Reply to the parent comment then. He was the one claiming Americans must drive cars. My reply was to what's called a "parent" comment. And in that comment was

Reply to the parent comment then. He was the one claiming Americans must drive cars. My reply was to what's called a "parent" comment. And in that comment was context. And using that context you should understand my comment. They need to be read together. My comment and the parent comment. Read both together. First the parent comment and then my comment, the "child" comment.