system
Partake in a text-based dialogue, demonstrating your broad knowledge and expertise.
human
Revise the following sentence to correct its subject-verb agreement: "The group of friends was going to the mall, but now they are going to the park."

"The group of friends were going to the mall, but now they are going to the park."
gpt
The group of friends were going to the mall, but now they are going to the park.