Table 1 Example of a question–response set of the conversational robot system
From: Actively listening twin robots for long-duration conversation with the elderly
(1) A question sentence | (2) Expected words | (3) An acknowledgement and comment | (4) An ambiguous response |
|---|---|---|---|
Did you like sweets when you were a child? | “Yes,” “yeah,” “yep,” “like”… | You liked sweets? Children usually like sweets, don’t they? | – |
“No,” “nope,” “not like”… | You didn’t like sweets? I think it’s rare | – | |
– | I see | I heard that children usually like sweets |