How to choose an ergonomic office chair<br>Look for the ability to adjust the chair's height. The height of your ergonomic chair should be fully adjustable. The chair's seat should be easy to move either upwards or downwards.
an ergonomic office chair must be chosen carefully.
Can we draw the following hypothesis from the context? 

Context:

How to choose an ergonomic office chair<br>Look for the ability to adjust the chair's height. The height of your ergonomic chair should be fully adjustable. The chair's seat should be easy to move either upwards or downwards.

Hypothesis: an ergonomic office chair must be chosen carefully.n
Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
Can we draw the following hypothesis from the context? 

Context:

How to choose an ergonomic office chair<br>Look for the ability to adjust the chair's height. The height of your ergonomic chair should be fully adjustable. The chair's seat should be easy to move either upwards or downwards.

Hypothesis: an ergonomic office chair must be chosen carefully.n
Options: 

 - yes

 - it is not possible to tell

 - no
user
it is not possible to tell
assistant