どうやら〜らしい／ようだ (douyara ~rashii / you da) — it seems, from the look of things

Piecing the clues together — "it does seem that way".

Formula (सूत्र ढाँचा)

Verb どうやら + V普通形 + らしい／ようだ

な-adj どうやら + な-adj [だ] + らしい／なようだ

N どうやら + N [だ] + らしい／のようだ

「どうやら〜らしい／ようだ」draws a conclusion from the clues you can see: 「どうやら道を間違えたようだ」= it seems we've taken the wrong road.
どうやら carries "not certain, but everything points this way", and N4's らしい or ようだ must follow — another fixed pair.

そうだ (looks like) does not work here, because どうやら is inference, not direct appearance.

どうやら、道を間違えたようだ。

どうやら、みちをまちがえたようだ。

It seems we've taken the wrong road.

How it is built (कसरी बन्यो) 間違えた → ようだ → どうやら in front → a guess made by putting clues together.

どうやら、彼は来ないらしい。

どうやら、かれはこないらしい。

It looks like he isn't coming.

How it is built (कसरी बन्यो) 来ない → らしい → どうやら.

どうも、風邪をひいたらしい。

どうも、かぜをひいたらしい。

I seem to have caught a cold.

How it is built (कसरी बन्यो) ひいた → らしい → どうも (a slightly vague form).

Question: 1/3

「どうやら、店は休み＿。」— fill the blank.

💡 Hint: The partner of どうやら.