Write the next sentence in the following story.

How to buy an iguana
Consider whether this is the right pet for you.
Iguanas as pets aren't for everyone. You need to know that they get up to 4 feet and some grow as much as between 5 to 6 feet long and have been known to get a little larger.

Select from the following.
1). But before you buy an iguana, make sure that your tank is large enough and supports all your belongings. The tank should be big enough for a small iguana to stand in.
2). However, living with someone such as an iguana can be a challenge. Think about whether it is best for you and your family.
3). They can overpower small adults and can seriously injure you if you're not careful. They have a very strong bite, and a very strong tail which they use to whip.
4). Size, fur, teeth, and claws are all warning signs that they're a good choice. Search online for a variety of animals that may be a good pet for your iguana.. The answer should be
3).