Yen: hey
Anna: hey 
Yen: what are you doing? 
Anna: cooking 
Yen: what?
Anna: don't know yet 
Anna: maybe some soup 
Yen: would you like to invite me? :-P
Anna: sure xD 
Anna: so you will finish this dish 
Yen: okay lol
Yen: give me 15 minutes 
Anna: okay 
Anna has invited Yen for food.