At home, our family often talk about some heavy social problem.

Because I pick up the topic ordinarily.

The other day, I chatted about "life-sustaining treatment" with my daughter.

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Ebata:"In conclusion, you don't want "life-sustaining treatment" with keeping alive at a vegetative level.

Daughter:"O.K."

Ebata:"To tell you the truth, I never want to think of turning the life-prolonging system off to kill my daughter by myself. I do ask you to avoid such a accident with your ultimate effort.

Daughter:"Effort..."

Ebata:"Effort is effort. For example, let you try to communicate me, even if you are at a vegetative level.

Daughter:"It is nonsense, Well,I have one wish to you."

Ebata:"What?"

Daughter:"Please turn the device off without talking.

Ebata:"What does it mean?"

Daughter:"Even if I am in a vegetable level, I think that there is no grantee to pass our or lose five senses."

Ebata:"You are right. I can hardly say with any finality that there is no possibility to keep your brain activate, if your neural signals that are hard to get by measurements, exist."

Daughter:"So, is it possible for me to understand what you are talking, even if I am in a vegetable level?"

Ebata:"Yes, it is."

Daughter:"Under the situation, you talk "Sorry, but I am going to turn off the device" to me."

Ebata:"And?"

Daughter:"If I want to cry "Papa, stop it really, really. Kidding? yawp, yawp, yawp", I am not happy am I?"

Ebata:"It should be an overwhelming horror story."

Daughter:"So I ask you to turn off the device without making me notice it. for example chatting about weather"

Ebata:"Your order is complicated really."