Multiple answer to a question - Chatbot

Question

The code by https://code.sololearn.com/WusW8nU0IBwA/#js.
Line 111 '(smsg="Hello your assistant is here", k=smsg)'.
How to add more than one message? For the return to be random,
multiple answer to a question...
Ex:
>isInArray(hello, lastmsg)==true?(smsg="Hello your assistant is here", "Hello2" , "Hello3" , k=smsg):

After>
user: Hi
bot: Hello your assistant is here
user: Hi
bot: Hello2
user: Hi
bot: Hello3
loop

Thanks!

Answer 1

modified code, just a basic example right in place, not a fancy and integrated solution but that's the way you can adapt it easily
https://code.sololearn.com/WA2jarL6d97b/#javascript

Update: changed the code to be more generic