diff --git a/src/lib.rs b/src/lib.rs
index 8928163..86c01a3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,38 @@
 use ratmom::{prelude::*, Request};
+use serde::{Serialize, Deserialize};
+
+// {"role":"assistant","id":"chatcmpl-7SQEOvjjNeoy4D4IZnohylUEbnkyJ","parentMessageId":"c57a0ed4-2a1a-40b4-b57d-050fa167287a","text":"Hello","delta":"Hello","detail":{"id":"chatcmpl-7SQEOvjjNeoy4D4IZnohylUEbnkyJ","object":"chat.completion.chunk","created":1687008372,"model":"gpt-3.5-turbo-0301","choices":[{"delta":{"content":"Hello"},"index":0,"finish_reason":null}]}}
+
+#[derive(Serialize, Deserialize, Debug)]
+struct Delta {
+    pub role: String,
+    pub id: String,
+    pub parent_message_id: String,
+    pub text: String,
+    pub delta: String,
+    pub detail: Detail,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+struct Detail {
+    pub id: String,
+    pub object: String,
+    pub created: i64,
+    pub model: String,
+    pub choices: Vec<Choice>,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+struct Choice {
+    pub delta: DeltaChoice,
+    pub index: i64,
+    pub finish_reason: String,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+struct DeltaChoice {
+    pub content: String,
+}
 
 pub async fn ask(prompt: &str) -> Result<String, Box<dyn std::error::Error>> {
 
@@ -23,5 +57,15 @@ pub async fn ask(prompt: &str) -> Result<String, Box<dyn std::error::Error>> {
         .body(body)?
         .send()?;
 
-    return Ok(request.text()?);
+    let result = request.text()?;
+
+    let mut deltas: Vec<Delta> = Vec::new();
+    for line in result.lines() {
+        let delta: Delta = serde_json::from_str(&line)?;
+        deltas.push(delta);
+    }
+
+    println!("{:?}", deltas);
+
+    return Ok(deltas[-1].detail.choices[0].delta.content.clone());
 }
\ No newline at end of file