Why are you quoting ChatGPT? It's well know to confidently generate incorrect answers. The antipodes in question are very far from Madagascar and the Falkland Islands. Near Brazil and near Australia are much better answers. Blindly quoting ChatGPT just adds noise, you've got to fact check it (at that point, why bother asking ChatGPT?)

https://www.geodatos.net/en/antipodes/united-states/hoboken

https://www.geodatos.net/en/antipodes/japan/tokyo