To choose will or going to. Simon is going somewhere with his cat. we need to define what will or is going to happen.

Simon is going to take his cat somewhere. The cat doesn't want to go anywhere. In the end they are going somewhere.

Simon's Cat - Future with going to and will

simons-cat-future-with-going-to-and-will

Let's do English ESL prediction game. To choose will or going to. Simon is going somewhere with his cat. we need to define what will or is going to happen.