Students sat in the cafeteria talking loudly. It was lunch time at Green Elementary, and the lunch room was full. The noise and the smell of grilled cheese filled the air. In the corner sat Rudy and Jacob. They were making their daily lunch trades.
"I'll give you my cheese crackers for your pretzels," said Jacob.
"Okay, I'll give you my vanilla pudding for your sugar cookies," said Rudy.
"Deal!" said Jacob.
What is the main idea or main event of the passage?
Jacob and Rudy trade food at lunch
Rudy wanted Jacob's sugar cookies
Jacob had cheese crackers and wanted pretzels
Students were talking loudly during lunch at Green Elementary