person A: I get to go the the zoo tomorrow! They opened an exhibit showcasing two of my favorite animal_comma_ the sloth!
person B: Oh thats great_comma_ what are the animals?
person A: They have sloths_comma_ hippos_comma_ elephants_comma_ bears!
person B: Oh wow_comma_ I love hippos and I don't know what sloth look like will let google help me out :)