Multi-choice problem: Continue writing the next sentence in this paragraph:

How to find a fax number
Locate a fax number in a local phone book.
Search for the name of an organization or business to find the telephone number for that business. If the business has a fax number, it may be listed in the directory next to the phone number or address.

Pick your answer from:
1). Sometimes businesses choose to print their information out for their phone book or fax. Once you know which fax number the business works out of, you can look at their complaint forms for updates.
2). If this is the case, use the fax number to see if any industry information is available in the area and click on the link at the top of the page to confirm the page information. Fax numbers are written in a classifieds section on the website of a trade union such as the usda.
3). Search for a fax number on the internet. Visit the website of the business or entity of which you need the fax number.
4). Look online for web-based fax companies. These companies typically have fax numbers associated with their personal machines.
3).