question: Complete the next sentence:

How to simulate stomach acid
Use a cup of plain, white vinegar.
While vinegar is not as acidic as stomach acid, it can be used to simulate what a stomach does in a simple experiment. To use it, simply fill a cup with vinegar, and drop what you want to test into the cup.
OPTIONS:
- Evaluate the beverage you're consuming for the amount of potassium in the liquid. Green leafy vegetables are renowned for their potassium boosting properties.
- Don't fill the cup or cup with water, or else you could damage the cups or lacks. Try using mouthwash or tea filters instead.
- Vinegar must contain enough acid so that it commits to the bottom of the cup. Other methods can be using an ordinary measuring cup.
- Vinegar ranks at about 2 on the ph scale, so it is about as acidic as stomach acid. The acidity of stomach acid is usually in the range of 1 to 3 on the ph scale.

answer: Vinegar ranks at about 2 on the ph scale, so it is about as acidic as stomach acid. The acidity of stomach acid is usually in the range of 1 to 3 on the ph scale.

question: Complete the next sentence:

How to freeze zucchini
Use ripe, fresh zucchini.
Use firm, ripe zucchini with a uniformly dark color. The color of the zucchini is a good indication that it has not become overripe.
OPTIONS:
- The zucchini should have no brown spots, brown marks, or discolored spots. If the zest is blackening or has become yellow, throw away the zest.
- Remove the flesh and seeds from the zucchini to see if there are any still visible. If the zucchini is still green, you're not finished.
- Like any other tomato, zucchini will turn brown as it cools. Cut away hard, tender skin with a sharp paring knife.
- Do not use zucchini that is pale or soft. Also avoid zucchini that has bruises, deep scratches, or rotted spots.

answer: Do not use zucchini that is pale or soft. Also avoid zucchini that has bruises, deep scratches, or rotted spots.

question: Complete the next sentence:

A man is shown with a woman dancing in front of a large crowd on a tv show. the woman
OPTIONS:
- then leads the man spin around and around and being watched by people on the side.
- spins around as the man leads her through the routine.
- demonstrates a bit more dancing by taking a drink of the drink and allowing the man from the wheelchair to hold her, while the audience claps at their man.
- begins to dance bottom to top in the pit while several maidens watch from the sides.

answer:
spins around as the man leads her through the routine.