Same, using Chat GPT 4. It explained the steps without prompting, which is different from the single line answer shown in the post too. I got this…
Let’s break this down step by step:
- Sally has 3 brothers.
- Each of those brothers has 2 sisters.
Sally is one of those sisters for each of her 3 brothers. Therefore, the second sister that each brother has would be the same other sister.
This means that Sally has only 1 other sister, making a total of 2 sisters in the family (including Sally herself).
So, Sally has 1 sister.
We need more pine martens
https://www.theguardian.com/uk-news/2022/feb/18/pine-martens-to-be-used-as-bouncers-to-keep-grey-squirrels-out-of-highlands