Instruct: Given a premise, retrieve hypotheses that are entailed by the premise.
Query: How to replace an empty ink cartridge<br>Write down the printer brand and model number. You will need to know both in order to find the correct replacement ink cartridges. If you can't find the model number, check the documentation that came with your printer.
You can't buy a new ink cartridge without know the model number and name of printer.
The ink cartridge will be expensive. 
The manufacturer will require your serial number to determine the correct action for your rifle. 
The library has a newer printer
Call the manufacturer directly and ask someone if they have the part
Printers malfunction too much
Printers are known to malfunction often
The printer at the library was newer
You need to have your rifle available when you contact the manufacturer. 
The manufacturer will connect you with an experienced representative to determine the correct action for your rifle. 
Use a number 2 pencil
Go to your local auto parts store to see if they have it
This is directions on how to change the oil filter in your car. 
The lamp had to be replaced.
Items can be purchased on Serial Killers Ink.
The instructions are missing steps.  
The ink in the newspapers is colored
If you have the wrong fuel in the tank, you need a mechanic.
Fine print could have been read.
The page is written with ink
Contacting the manufacturer won't help you find out what kind of padlock you have.
The author had misplaced their pen earlier. 
The ink cartridge will be expensive. 
You do not need the make of a printer to replace the ink cartridge
The model number will not be on the printer. 