can't do num_return_sequences on greedy search

sketch.js

@@ -27,7 +27,7 @@ async function textGenTask(pre, prompt){
   const pipe = await pipeline('text-generation', MODEL)
 
   // RUN INPUT THROUGH MODEL, 
-  var out = await pipe(INPUT, { max_new_tokens: 60, top_k: 90, num_return_sequences: 3 })
+  var out = await pipe(INPUT, { max_new_tokens: 60, top_k: 90 })
   // setting hyperparameters
   // max_new_tokens: 256, top_k: 50, temperature: 0.7, do_sample: true,