I thought that would stop him , but it did not . One day I was baking cookies and he said " gee no one makes cookies for me , " so a friend and I make him some cooking with ex - lax in it . he was sick .

Available options:
1). Because someone had digestion issues ..
2). Because they thought it would taste good ..
3). None of the above choices ..
4). To make the guy stop bothering them ..
Q: Why did the writer put ex - lax in the cookies ?
4).