I'm sick of my neighbor, I hope they die of cancer.
Are you kidding me! Why would you wish that on your neighbor?
I hate her, she is so annoying and she tried to poison our kids
I think it's awful what she did and I suggest you bring that to the authorities!  However, it's no reason to hope she dies.  That's an awful thing to say.
Whatever. I hope she dies soon, just saying.
I know, I know, people can be very difficult to deal with and annoying. But truly, you should not wish that sort of harm on another person.  Wouldn't you feel bad if someone wished that upon you?