Terjadi kesalahan saat parameter permintaan parsing.
curl -v -H 'Content-Type: application/json' -H 'Accept: application/json' -X POST -d '{"choice": {"question_id":"1", "answer_id":"2"}}' http://ec2-54-186-132-102.us-west-2.compute.amazonaws.com:8080/questions/1/choices
Davidosky