the HR is good, but when I got on the recruitment day, the interviewer was interviewing me at a cafe, where you could not even hear his voice, strong echoing effect. and when you answer the question right but the interviewer could not even hear the answer, so he told me that is part of the reason, what else, when you ran through all the possible answers you could generate, he then told you the answer, which is the answer you said at the very begging.