Translation:No, he is not a pensioner.
This one should accept, "no he is not retired" as well
Yes. Will be added.
I think it should accept "retiree" for students who speak US English.
The first paragraph of this article explains the different terms used in different English speaking countries
There was no article "a" in my box lmao.
Nie da się przejść dalej z powodu braku "a"