Green thumb grandpa

I understand that the world has an aging population and that seniors need hobbies to occupy their time, but this really isn't something I'd recommend for my own Grandfather:

Nigeria's anti-narcotics agency confiscated 6.5 tones of marijuana Tuesday from the home of a man who claimed to be 114 years old.

The National Drug Law Enforcement Agency (NDLEA) said it had found 254 sacks of cannabis at the home of Sulaiman Adebayo in Ogun state, north of the commercial capital Lagos.

"The quantity of drugs suggests a large scale involvement ... There is more to the case than Pa Sulaiman," NDLEA chairman Ahmadu Giade said in a statement.

Adebayo, who said he had been a farmer all his life, told police he thought the sacks contained rice.

Um, I know that peoples' senses can deteriorate with age, but if you've been a farmer for a hundred or so years, shouldn't you kind of, you know, be able to differentiate between sacks full of rice and sacks full of weed? After all, the two crops don't look, feel, or smell very similar.

Or...so I'm told.