Read the following sentences carefully, examine their modes of r

Read the following sentences carefully, examine their modes of reasoning and comment on whether the reasoning is sound. If not, discuss in pairs how you would improve it.
All the tigers observed in a particular region have black stripes on orange fur. Therefore, all tigers native to this region have black stripes on orange fur.
【正确答案】：This is also unsound induction. Just because all tigers observed in this region have black stripes on orange fur that does not mean that all tigers (including those that are not observed) look like that.