Given the document below, you have to determine if "Yes" or "No", the summary is factually consistent with the document.

Document:
The bodies of NAME_1 were discovered at their home in the Abbey development on Thursday night. Ch Insp NAME_2 said post mortem examinations "ruled out" carbon monoxide poisoning as a cause of death. He said the deaths "continue to be treated as unexplained" as police await further toxicology test results. Mr NAME_3, 68, and NAME_4, 79, were originally from Liverpool but had lived in Ballycastle for 10 years. It is believed that the pensioners may have been dead for a number of weeks before their bodies were discovered. The alarm was raised by NAME_4's son on Thursday, and the police, fire and ambulance services were called to the scene.

Summary:
1. A man and woman found dead at their home in Ballycastle, NAME_5, may have been dead for weeks, police have said.

Is the summary factually consistent with the document? (Yes/No)
Start your answer explicitly with "Yes" or "No", and if you answer no, explain which sentence is inconsistent and why.
 Respond with more than 150 words.
user