Problem: How does the sentence end?

The gardener tried to put the flowers in the cups but the 
Answer: cups were too small.

Problem: How does the sentence end?

Felicia managed to avoid an upper respiratory infection that year, but not Betty, because 
Answer: Betty had made sure to avoid a flu shot.

Problem: How does the sentence end?

Dennis asked Leslie if they knew any methods to reduce a headache but 
Answer: Leslie was too busy to search online.

Problem: How does the sentence end?

The gardener tried to put the flowers in the cups but the 
Answer:
flowers were too big.