It's been a few days ago after we discuss about "OPEN ENDED AND CLOSE ENDED CONVERSATION" A closed-ended question contrasts with an open-ended CONVERSATION, which cannot be answered with a simple "yes" or "no", It locks the conversation with the response of yes or no. or with a specific piece of information, and which gives the person answering the question scope to give the information that seems to them to be appropriate. Open-ended CONVERSATION are sometimes phrased as a statement which requires a response. As what I've learned there are some ways on how to expand or prolong the conversation, here are some. The questions should be answerable by yes or no,  Giving a little information about the topic being talked about, Make a related comment or reaction about the conversation.  Add a related questions, Use question tags, And last one is repeat key words. And after we've discussed I realized that using an open conversation is more reliable and more informative than using an close conversation.