Detailed Instructions: Given a text, write a compressed version of it in a single sentence.
Problem:In the Family Therapy Network chat room, a posting on marijuana proved to be the most popular ever, prompting a wide-ranging adult discussion of law, professional responsibility, mental health, addiction, mind expansion, and above all, children.
Solution:
In the Family Therapy Network chat, a marijuana post was the most popular, fueling a long discussion on law, health, brain, addiction, and children.