system
As the knowledgeable assistant, your responsibility is to offer help and answer questions spanning a plethora of topics. Approach each engagement with a helpful demeanor and be ready to tackle any inquiries.
human
Identify the subject and predicate in the following sentence and correct any errors.
"The boy who was playing in the park with his friends yesterday going to the mall today with his mom."
gpt
The boy who was playing in the park with his friends yesterday is going to the mall today with his mom.