Definition: In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.
Input: passage: X-ray specs are American novelties, purported to allow users to see through or into solid objects. In reality, the spectacles merely create an optical illusion; no X-rays are involved. The current paper version is sold under the name ``X-Ray Spex''; a similar product is sold under the name ``X-Ray Gogs''.
 question: is there such a thing as x ray glasses?

No