Problem: How does the sentence end?

Jessica told Katrina how large a planter had to be to grow lettuce in it since she knew 
Answer: Katrina had never tried to grow any before.

Problem: How does the sentence end?

The razor blade got broken when sharpening the boy's pencil because the 
Answer: blade is weak.

Problem: How does the sentence end?

The company changed the recipe for its drinks by using new food coloring and sweetener, but the 
Answer: sweetener was not sweet enough.

Problem: How does the sentence end?

The woman tried to put the phone onto the table but the 
Answer:
phone was too large.