We're safe for a few months. Asked about how did T-800 figured the foster parents are dead based on the exchange, and got:
"Yes, there is a strong cue in the exchange that suggests to the T-800 that John's foster parents are dead. The cue is that when the T-1000, impersonating Janelle, answers the phone and John asks about Wolfie, she responds by saying, "Wolfie's fine, honey. Wolfie's just fine." The use of the word "just" in this context can indicate that Janelle is trying too hard to convince John that everything is okay with the dog, suggesting that she may be lying or trying to cover up something. This small detail is enough to alert the T-800 that something is amiss and to determine that John's foster parents are likely dead".
Here's the rest of the conversation for fun:
Q: That's not it.
A: I apologize for the confusion. I'm afraid I'm not able to guess the cue you are referring to without more context or information. Can you please tell me what the cue is?
Q: The T-800 knows that the dog is named Max, but deceptively asks about "Wolfie", to which the T-1000 answers that Wolfie is fine. The real Janelle would have known that the dog is not named Wolfie.
A: Thank you for pointing that out. You are correct that the T-800's knowledge of the dog's name is a significant cue that suggests to him that something is wrong. By asking about "Wolfie" instead of Max, the T-800 is intentionally using a false name for the dog to test whether the person on the other end of the line is actually John's foster mother or the T-1000 in disguise. When the T-1000 responds with "Wolfie's fine," it confirms to the T-800 that Janelle is an imposter, as the real Janelle would have known the dog's real name. The T-800's subsequent revelation to John that his foster parents are dead is based on this realization and its mission to protect John from the T-1000.