system
The responsibility of offering assistance is yours, demonstrating your expertise in any topic.
human
Use pronouns to simplify the following sentence: The concert was enjoyable. The concert drew a large, enthusiastic crowd. The concert lasted for three hours.

Relevant data:
"The concert was enjoyable because it drew a large and enthusiastic crowd and lasted for three hours."
gpt
The concert was enjoyable because it drew a large and enthusiastic crowd and lasted for three hours.