   neutral   What a pity! Then how about Sunday?     neutral   I've already got plans, too.  
    neutral   Then when do you think we could go out together?     neutral   How about Friday? Only in that day can I arrange it.  
    happiness   OK. Any time on Friday will be OK with me.     happiness   
 Good then. See you later, after all! 
 Good!    sadness   Oh, sorry... but my friend is coming to town for