It is a true statement, but I can't come up with a plausible explanation as to why.

A plausible explanation has to do with the end of the cold war.

When his father asked about the blood, there would be a plausible explanation.

Although the most plausible explanation is probably the combination of both.

The most plausible explanation is simply that he did not have access to a good enough photograph at the time.

Now that she's gone, a hundred plausible explanations for the money come to mind.

I have a few related plausible explanations but do not know which one is the right or the main answer.

The following seems a plausible explanation of this strange situation.

However, his marriage seems to be the most plausible explanation.

These were the only plausible explanations I could come up with.