Problem: Continue the following story.

I couldn't put the vase in the burlap sack because the 
OPTIONS:
- sack was too gigantic.
- vase was too gigantic.
Here's how I want to continue it: vase was too gigantic.

Problem: Continue the following story.

Johnny wanted to get syrup from a maple tree, but had a hard time getting the tap through the bark because the 
OPTIONS:
- bark was too weak.
- tap was too weak.
Here's how I want to continue it: tap was too weak.

Problem: Continue the following story.

Katrina is curling Emily's hair this morning for a wedding she is attending so 
OPTIONS:
- Katrina is doing her best.
- Emily is doing her best.
Here's how I want to continue it:
Katrina is doing her best.