Sherlock is upset at not knowing who the mastermind behind the Noahtic and Drebber cases is, and takes his frustration out on John. While returning by train from an investigation, Sherlock has a chance reunion with William.
Let's see, as I recall, it was at
the base of a conspicuous oak tree.
.لنرى، حسبما أتذكر، كان عند قاعدة شجرة البلوط البارزة تلك
Veamos, según recuerdo,
Vejamos, pelo que me lembro,