Ian described the guests eating off grey plates, while their host ate from an orange-coloured plate.
"You will have no trouble in being satisfied that he is a reliable witness and you can confidently accept what he told you about the details of the lunch, including the four grey plates and the fifth, odd plate," Dr Rogers says.
She tells the jury Ian was not the only one to notice the plate, recapping that his wife, Heather Wilkinson, told people after the lunch that she had noticed the different-coloured plates.
"Heather even mentioned it a second time during the car trip from Korumburra Hospital to Leongatha [as per Simon Patterson's evidence]," Dr Rogers says.