IN: Write the next sentence in this paragraph:
How to limit home radon exposure
Find a qualified contractor.
Limiting radon in your home will take someone with training and knowledge in mitigation techniques. Ideally, look for a contractor certified by the national radon proficiency program (nrpp) or the national radon safety board (nrsb).
OPTIONS:
- The nrsb can help you figure out whether it is safe to home radon in your area. If it isn't safe, be sure to contact the nrsb as soon as possible to find out about the risk factors that also could have a problem with your property.
- These organizations exist to increase their legal rights to decide who can purchase the building. Build protection programs should be reviewed by nrsb before approval to licensing and license contractors to work with nrsb, nrsb, and the nrsb.
- You can find the appropriate contractor by going to your local nrpp website. Click on the link to complete a search.
- These are the only two national organizations in the us that certify radon professionals. The us environmental protection agency (epa) suggests that people hire contractors who certified nationally or on the state level.

OUT: These are the only two national organizations in the us that certify radon professionals. The us environmental protection agency (epa) suggests that people hire contractors who certified nationally or on the state level.

IN: Write the next sentence in this paragraph:
The top shingle of a roof dangles unsecured. a man on a roof
OPTIONS:
- lifts a sander to lower a shingle.
- holds sheets of paper to measure the length of the shingle.
- installs an install sticker into it as he changes shingles.
- hammers a nail into the shingle, securing the shingle.

OUT: hammers a nail into the shingle, securing the shingle.

IN: Write the next sentence in this paragraph:
A black tool clip is sitting on a wooden table by itself and then suddenly someone grabs it and begins to turn it, to show the tools inside. a bike
OPTIONS:
- is then shown, with tires inflated and brakes attached, and then they take off in a blue bike to go on a dirt path in the woods.
- then appears and the person starts to move the seat back and forth illustrating its looseness.
- is shown in a parking garage and a number of cars are shown parked near it.
- is red and white and pulls a tire off of a machine sitting in a sink.

OUT:
then appears and the person starts to move the seat back and forth illustrating its looseness.