Answer:
A red herring is a type of logical fallacy in which an argument or evidence is presented that is meant to distract from the main issue at hand. In the sentence you provided, "watching tv makes my grandmother come over" is not a red herring. It is a statement that tries to establish a causal relationship between two events (watching TV and grandmother coming over), but it does not address the main issue or problem being discussed.
To use a red herring in this context, you could present an unrelated or irrelevant argument or piece of evidence that is meant to distract from the main issue. For example: "My grandmother always comes over when I'm watching TV, but that has nothing to do with the fact that I left my homework on the kitchen table." In this case, the statement about watching TV is a red herring, because it is meant to distract from the main issue (forgetting to do homework) and shift the focus to something else.
Step-by-step explanation: