Problem: How does the next paragraph end?

How to make a compost screen
Cut scrap lumber into eight 2 inch planks.
Set a table saw guide to 2 inches (5 cm) and saw scrap lumber into eight planks 24 " (61 cm) long. These will become the frame of your screen.
A: If you don't have any scrap lumber and table saw, buy 2 " x 24 " pieces from a hardware store. These instructions assume you are cutting the lumber to a 90 angle.

Problem: How does the next paragraph end?

How to make gluten free chocolate chip cookie bars
Preheat the oven to 350 f/180c.
Lightly grease a 9 " x 13 " baking pan.
In a large bowl, whisk together the baking flour, xanthan gum, salt, baking powder and the baking soda.
Add the flax meal, and whisk until combined.
A: The flaxseed works in place of an egg; it helps to bind and it adds fiber. Stir in the brown sugar and whisk until combined.

Problem: How does the next paragraph end?

A bike is leaning against a concrete wall. A box containing a bike is removed by a man in front of a garage. he
A: takes out all the parts, and shows how to assemble the bike.

Problem: How does the next paragraph end?

We see two roof images side by side. we
A:
then see images of one roof.