Thank you for your feedback !
If you are stuck, there is a walkthrough on our game page :
https://pastebin.com/raw/rDpjaGRT
If you don't want to be spoiled, here the part of the solution that you need :
"Child 1 said, "Be careful, a terrible monster sleeps in this hole ! Only another terrible creature could face it !" The chicken is the only creature on the map at this moment, so the answer is to carry the chicken to the monster.