Coincidence

What a coincidence!

It was sheer coincidence that Mary and I were on the same train.

I think it is a mere coincidence.

We happened to meet again through a strange coincidence.

We met completely by coincidence.

Is it mere coincidence that "banality", when anagrammed, reads "Ban Italy"?

I wonder if it really was a coincidence.

Tom doesn't think this is a coincidence.

It wasn't a coincidence.

This relation between the Sun and planetary motion is not an odd and inexplicable coincidence.

That the two writers were born and died on the same day is just a coincidence, although there are many conspiracy theories about it.

It is sheer coincidence that the cartoon resembles the local politician.