Update config.json

config.json

@@ -28,9 +28,9 @@
   "summary_use_proj": true,
   "task_specific_params": {
     "conversational": {
-        "max_length":100,      
+        "max_length":200,      
         "no_repeat_ngram_size":3,       
-        "do_sample":false, 
+        "do_sample":true, 
         "top_k":100, 
         "top_p":0.7,
         "temperature":0.85