Choose from options: Determine if the sentence is true based on the text below:
Young Thomas's sister was missing a tooth.

Now , is it ?<br>For mercy 's sake do n't be so sly .<br>You might tell me , your own and only sister , if it is . ''<br>`` Oh , shut up , '' was Young Thomas 's unfeeling reply to his own and only sister .<br>Young Thomas told himself that night that Valley View gossip would drive him into an asylum yet if it did n't let up .
Select from:
* Yes.
* It's impossible to say.
* No.
It's impossible to say