Death of humanity

When you pour a VERY Deadly poison into at a fabric that product food or other stuff everyone eats and dies.

Jack: John lock at this cool burger it looks so good and ITS GREEN OMG.

John: wow, Jack that looks so good let me have a bite.

Also john: 'takes a bite' dies

Jack: ohh that looks cool let me try.
"also dies"

And the death of humanity has began