In Jamieson the specific point was whether this belief requires to be based on objectively reasonable grounds , or if it was sufficient that the alleged perpetrator genuinely held this belief even .
Another person in the same circumstances might not have the same belief .
In Jamieson the specific point was whether this belief requires to be based on objectively reasonable grounds , or if it was sufficient that the alleged perpetrator genuinely held this belief even although another person in the same circumstances might not have the same belief .