This sort of litigation annoys me and forces up insurance costs.

[PAH]

Looking at pictures of the chap, he seems quite well built.

I've not done a free-body diagram or anything, but it seems unlikely that a grape could reduce friction under the imbeciles sandal sufficiently from him to slip.

He forgot to mention the banana skin under the other foot, seeing as he'd dropped it moments earlier and slipped as he came back from parking the trolley.