system
disappointed: I went to the grocery store and they were out of my favorite cereal.  I was quite upset about it.
human
I went to the grocery store and they were out of my favorite cereal. 
human
Ut oh.. what is your favorite?  I like so many I can't pick just one.
human
Blueberry Chex is my favorite.  I was quite upset about it.
human
I haven't tried that one yet  I will now.  I love blueberries.. and I like chex.