Table 3.

Topics and Content of Human–Robot Conversations (Original Speeches) Among 30 Participants Over 6 Weeks

Topics of conversations	Numbers of texts	Content
Say “Hello” to Kaka	1,824	Hi/Hello/How are you?/Good morning/你好[hello]/早晨(唞) [Good morning] /午安 [Good afternoon] /拜拜 [Bye-bye]/晚安 [Good night]/Goodbye
Ask about Kaka’s functions	266	介紹下你自己[Introduce yourself]/你幾歲[How old are you?]/你幾時生日[When is your birthday?]/你係咪機械人[Are you a robot?]/你係男仔定女仔[Are you a boy or a girl?]/你可以做到乜[What can you do?]/你叫什麽[What is your name?]/你最鐘聲意做咩野[What do you like best?]/你鐘意咩顔色[What is your favorite color?]/你鐘意唱咩歌[What songs do you like to sing?]/你有乜功能[What functions do you have?]/你識唔識講英文[Do you speak English]/你有冇生日㗎[Do you have a birthday?]/Who are you?/Are you a human?/你叫什麼名字[What is your name?]
Check what KaKa is doing	56	你做緊的咩[What are you doing?]/你諗緊啲乜[What are you thinking about?]
Ask if Kaka likes them/Whether KaKa thinks they look pretty	212	你喜歡我嗎[Do you like me?]/我靚唔靚[Am I pretty?]/我哋邊個最靚[The one between us is the prettiest]/邊個靚啲[Who is prettier?]
Praise Kaka	152	你好可愛/你好得意[You are so cute]/你好叻[You are so awesome] /你對眼好大[Your eyes are so big]/我愛你[I love you]
Ask about Kaka’s current mood	315	你快樂嗎/你開心嗎[Are you happy?]/你點啊[Are you ok?]/你好唔好啊/你好嗎/你點啊/好唔好啊/[How are you?]/你今日心情好唔好[Are you in a good mood today?]/最近好嗎[How have you been recently?]
Express their moods to Kaka	99	我今日唔開心[I am not happy today]/我好好[I am fine]/我覺得好孤單[I feel so lonely]/我都好好[I am doing good]/I am doing well
Express appreciation for Kaka’s reminders/greetings	96	唔該嗮/多謝[Thank you]
Ask Kaka to tell a joke	70	講個笑話/笑話[Tell a joke]
Topics about meals	601	我想食野[I want to eat]/我有的餓[I am hungry]/我唔肚餓[I am not hungry]/食左早餐未/食左飯未/ [Have you had your breakfast/meal?]/食左的乜[What did you have?] /你肚唔肚餓[Are you hungry?]/鍾意食乜[What do you like to eat?]
Ask about KaKa’s family	44	你有兄弟姐妹嗎[Do you have any brothers or sisters?]/你有媽媽嗎/你有爸爸嗎/你有冇媽媽/你有冇爸爸[Do you have a mother or do you have a father?]