>>>>All tumours are operable. It's just that sometimes the operation removes the patient.
>>>
>>>Just like all the mushrooms are edible, some of them repeatedly.
>>
>>Hold on there. How could you eat 'all the mushrooms' and then some of them repeatedly?
>
>Well, if you have another meal of the same crop... I'd call that a repeat. "Hey, I'm eating champignons again!"

Oh, ok. I guess you meant to say, "all the mushrooms that are in existence at that particular moment." ;)