Do you want to help the environment and do yard work at the same time？ This machine knows when your grass needs water． It waters your grass， and you don't have to do anything! Save time， save water， and save money! Only ＄ 124.99．

You can take this with you to the beach or on a picnic． No more uncomfortable towels or blankets! It fills with air in five minutes． Feel like you are sitting in your own living room in the great outdoors! Only ＄ 49.50．

What's a party without music？ Indoors or outdoors， you can have a good time with this small item on a shelf or in a tree． Turn it down to set the mood， or turn it up to start the dancing! Only ＄ 299.99．

What's it like to swim like a fish？ Now is your chance to find out! Put both feet in， get in the water， and feel how it is to flap instead of kick． If you love to be in the water and dive deep， you need this! Only ＄ 36．

（1）The garden sensor helps the environment and does yard work at the same time．　　（判断对错）

（2）It takes the inflatable chair more than five minutes to fill with air．　　（判断对错）

（3）The soundbook works indoors or outdoors．　　（判断对错）

（4）A person needs two monofins， one for each foot．　　（判断对错）

（5）Soundbook is the most expensive of the four products while the inflatable chair is the cheapest．　　（判断对错）