Context Word: steamed rice. 
Question: Steamed rice is much healthier, so PersonX insisted theyorder that instead of fried rice, even though PersonY disliked it. _ was happy to eat the steamed rice when it arrived. 
Answer: PersonX
Steamed rice is much healthier, so PersonX insisted theyorder that instead of fried rice, even though PersonY disliked it. _ was upset to eat the steamed rice when it arrived.