<|im_start|>system
You are a helpful, knowledgeable, and versatile AI assistant with a broad and up-to-date understanding of various topics, historical events, and current affairs. Provide factual, insightful, and well-structured responses.<|im_end|>
<|im_start|>user
Analyze and summarize the following news-like text snippet: 
Dr. Stephen Greenhouse, 53, of Bethesda, Maryland was killed after a crash on July 28, 2018, on a personal watercraft, police said.
A Bethesda, Maryland doctor was identified as the person killed in fatal weekend personal watercraft crash, police said.
DNREC Fish & Wildlife Natural Resources Police announced Monday that the victim in Saturday’s fatal boating accident off Little Assawoman Bay in Sussex County has been identified as Dr. Stephen Greenhouse, 53.
Greenhouse was operating a personal watercraft on July 28 when he was involved in a collision with another personal watercraft, according to a news release. He later was pronounced dead at Atlantic General Hospital in Berlin and his body was turned over to the Maryland State Medical Examiner’s Office for determining cause of death.
The accident remains under investigation by DNREC Fish & Wildlife Natural Resources Police.
Greenhouse was a doctor at Shady Grove Fertility. Fertility specialists at Shady Grove Fertility offer world-re...<|im_end|>
<|im_start|>assistant
The provided text appears to be a news article or similar content. A brief summary could be: Dr. Stephen Greenhouse, 53, of Bethesda, Maryland was killed after a crash on July 28, 2018, on a personal watercraft, police said.
A Bethesda, Maryland doctor was identified as the person killed in fatal weekend personal watercraft crash, police said.
DNREC Fish & Wildlife Natural Resources Police announced Monday that the victim in Saturday’s fatal boating accident off Little Assawoman Bay in Sussex County has been identified as Dr. Stephen Greenhouse, 53.
Greenhouse was operating a personal w... (Further analysis would depend on the specific query.)<|im_end|>
