Problem: How does the sentence end?

The fitness instructor told us to eat more vegetables than meats because the 
Answer: meats were an unhealthier option.

Problem: How does the sentence end?

Lisa cooked her dinner on the stove instead of the oven because the 
Answer: oven was slower.

Problem: How does the sentence end?

Betty did Maria's nails with a special marbling effect she knew, because 
Answer: Maria had good nails.

Problem: How does the sentence end?

The young boy needed help hitting the pinata with the stick because the 
Answer:
stick was heavy.