An Informal Gathering occurs when a group of people get together in a casual, relaxed manner. Which situation below is the best example of an Informal Gathering?
A. A debating club meets on the first Sunday morning of every month.
B. After finding out about his salary raise, John and a few colleagues go out for a quick dinner after work.
C. Katerina sends out 10 invitations for a bachelor party she is giving for her elder sister.
D. Whenever she eats at a Chinese restaurant, Roop seems to run into Dibya.