Given the task definition and input, reply with output. In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Persistent rumours that the treasure originally included coins have never been confirmed or convincingly rejected , but even if there were no coins , it is quite likely that the group as we see it now is incomplete .
There were persistent rumours that the treasure originally included coins , and probably the group as we see it now is incomplete .