This study included 43 participants that were tasked with distinguishing between relevant and irrelevant information, which tested their ability to focus.

were tasked with distinguishing between  relevant and irrelevant information,  

to prove her point, even if it's completely irrelevant.

I really feel language talent is irrelevant.

"Well, we're socially irrelevant,

goals: vague, amorphous, pie-in-the-sky, irrelevant, delayed. Make the target

It is almost universally taken to be sensible to "catch up on the news" rather than, as is actually the case, for the most part extremely dangerous and irrelevant.

as is actually the case, for the most part extremely dangerous and irrelevant.

The internet was supposed to mean that it doesn't matter where you live, you are connected to all of humanity through this completely transparent network where geography is irrelevant.  

You are connected to all of humanity through this completely transparent network that where geography is irrelevant.  

You won't understand the questions and you'll give irrelevant answers.

If you can't hear well, the conversation won't be productive, you won't understand the questions, and you'll give irrelevant answers.

physical location is irrelevant.

These examples may seem silly or irrelevant until you learn, for instance, that factorization