Problem: How does the sentence end?

Jeffrey believed Robert was spying on him during the private event, because 
Answer: Robert was sneaky.

Problem: How does the sentence end?

We left a statue at the grave instead of a plant since the 
Answer: plant would be ruined by the weather.

Problem: How does the sentence end?

Ursula couldn't fit the plantain she just bought into her purse because the 
Answer: plantain was too hefty.

Problem: How does the sentence end?

Christine had to visit the barber weekly to get a hair cut but not Monica because 
Answer:
Christine had a head with hair.