为什么点那个叉子没有交互了，就卡在那里了？

guide : chapter 1 : collect the paper pieces to get hint (red, yellow, green, blue) and space to get the fork use down arrow to choose the option fork and press enter to use the fork to get the key chapter 2 : jumping game, just keep trying until you get the pink potion on the top right there then use the potion, get the necklace and the key and throw the necklace to the pot chapter 3 : get the baseball bat and listen the conversation and hit both doctors wear the doctor uniform and key in password 12...

What is the keycode? Tried the variation in the booklet. but nothing worked

When i try to use the "Fork" at the begining.