IN: Write the next sentence in this paragraph:
How to sleep without using a bed
Find a place to lie down or sit in a relaxed posture.
It can be hard to get comfortable to sleep when you don't have a bed to lie down in (at the airport, for instance). Sometimes there is simply no feasible place to lie down, so you may have to opt for a chair or sitting against a wall.

OUT: If possible recline at a 135-degree angle for the most comfort. Avoid sleeping sitting straight up or leaning forward because this may cause undue pressure on your back and neck and it may also contribute to pain in those areas.

IN: Write the next sentence in this paragraph:
How to enjoy calculus
Begin with a strong basis of the foundations of math.
It is possible to understand the general concepts behind calculus without knowing much other math, but a strong foundation will help. If you are setting out to understand and enjoy calculus, it will help if you have a strong understanding of algebra, geometry and trigonometry.

OUT: The more you understand these concepts, the more you will be able to do with your work in calculus. If you study the building block subjects thoroughly, you will find calculus a much easier subject.

IN: Write the next sentence in this paragraph:
A chef shows all the ingredients to do pasta. then

OUT:
, the chef puts the pasta in hot water, then pours oil in a pan.