Read the text and determine if the sentence is true (see options at the end):

How to do a backbend against a wall<br>Find a good, clear spot. Find a wall space that is clear of any obstructions such as furniture, plants or sharp objects. It should have nothing that could injure you near it.

Sentence: Obstructions are ubiquitous in people’s houses 

 + Yes
 + It's impossible to say
 + No
It's impossible to say