Next door is the synagogue Ben-Ezra, now no longer used for regular services though the guardian will allow you to look inside if he is available.
The guardian of Ben-Ezra, a synagogue, is an old man.
mnli hypothesis: The guardian of Ben-Ezra, a synagogue, is an old man. premise: Next door is the synagogue Ben-Ezra, now no longer used for regular services though the guardian will allow you to look inside if he is available.