IN: Write the next sentence in this paragraph:
How to clean polarized glasses
Follow the manufacturer's recommendations.
There is no universal type of polarized eyewear, and no universal way to keep them all clean. Different manufacturers rely on different techniques and materials to achieve polarization, so the specific care instructions for your eyewear should always be followed.

OUT: Check your brand's website or go to a retailer if you need specific advice for your eyewear. Regardless of your brand, however, it is safe to assume that the next several steps will be applicable.

IN: Write the next sentence in this paragraph:
How to get free music on an iphone
Find the song you want to download on youtube on your computer.
It's not possible to easily download youtube videos on your iphone, but you can use your computer to download music from youtube with just a few clicks.
You can turn any youtube video into an audio file file which can be played on your iphone, including music videos, songs, remixes and more.

OUT: Copy the address for the video you want to turn into an audio file. Make sure to copy the entire address for the video from your browser's address bar.

IN: Write the next sentence in this paragraph:
A bicycle riding course with bumps is shown. a number of bicycle riders

OUT:
are shown going through the course.