Are you a liar?

Hearing these four words, everyone in the Sheng family was stunned.
"Longyan Group? The company that produces a special medicine for rhinitis?"
"I remember that Second Uncle's rhinitis, which had lasted for many years, was cured with this medicine!"
"This medicine is so popular now! Many pharmacies are out of stock, and you have to make an appointment if you want to buy it!"
Several members of the Sheng family were talking about it.
Shengbao trembled all over and reacted suddenly.
"Are...