Where does Derry first meet Mr. Lamb?

Derry first meets Mr. Lamb in Mr. Lamb’s garden, where Derry has wandered in by chance, seeking solitude. Derry, a young boy with a burned face, initially feels uneasy and defensive upon meeting the elderly Mr. Lamb, fearing he’ll face judgment or rejection. However, Mr. Lamb’s warm and open demeanor gradually puts Derry at ease. This chance encounter marks the beginning of a transformative relationship, where Mr. Lamb’s positive outlook on life influences Derry’s perception of himself and the world.

This question related to Chapter 5 English Vistas Class 12th NCERT.
From theChapter 5, On the Face of It.
Give answer according to your understanding.