Given the question: Read the following conversation and answer the question. M: Look what's on tomorrow, mother. That's the program you like about animals. It's before dinner. Let's watch it together. W: OK. You want to watch the space film at 7 o'clock, don't you? M: No, we can't. We're going to grandma's after dinner. W: Oh, yes, that's right. Question: What will the speakers do tomorrow evening? - Visit their Grandma - Watch a space film on TV - Watch a program about animals
The answer is:
Visit their Grandma