データがありません
通知
通知はありません
です です
be; is
のです のです
the expectation is that ...; the reason is that ...; the fact is that ...; the explanation is that ...; it is that ...
ですが ですが
but; however; (and) yet; nevertheless; still; for all that
ですか ですか
indicates question
んです んです
the expectation is that...; the reason is that...; the fact is that...; the explanation is that...; it is that...