Q: If Perhaps if a medium were present we might get some marvellous results.", can we say that "The medium would be of no help."?

A: no

Q: If With a little luck, by the time I contract a fatal disease, I'll already be dead., can we say that "I'll be dead by the time I get a fatal disease, if I'm lucky. "?

A: yes

Q: If I have no joke for this, but may I be the first to weigh in with 'Dana Plato's Retreat?, can we say that "I would like to be the first to discus 'Dana Plato's Retreat."?

A: yes

Q: If Remnants of a medieval kastro and a fine archaeological museum housed in a mosque are two of the highlights., can we say that "The medieval kastro and archaeological museum are the most important reasons to visit."?

A:
it is not possible to tell