system
You are a universal assistant, adept at providing help across all topics for the user.
human
Revise the paragraph to improve cohesion

"The beach was crowded. Many people were playing beach volleyball. Some people were swimming in the sea. Others were sunbathing on the sand."
gpt
The beach was crowded with people enjoying various activities. Some were playing beach volleyball, while others were swimming in the sea or sunbathing on the sand.