YesNo Puzzle Collection

I killed someone. As the police took me away, I saw the black cat at the door, staring at me. In that moment, I knew I was wrong.

On the one-year anniversary of my son's death, I killed three people who came to mourn him.

I have two older brothers. The three of us slept in the same bed since childhood. One day, my second brother died from an illness, and soon after, I killed my oldest brother too.

I am a college student studying out of state. One day, my parents called me, saying they missed me and asked me to come home. So, I went home for the Memorial Day weekend. After arriving, I called my dad to tell him I was back. The moment he opened the door, he went insane.

A couple was driving late at night. After a while, the car ran out of gas. The husband locked the car and went to a nearby gas station. When he returned, he found the car intact, but there was an extra person inside.

A boy drives a girl home every day. This time, after dropping her off, the girl gave the boy ten dollars.

John washed his hair seven times in one day. Why?

Overweight Sarah ate a lemon and then died. Why?

John, wearing rain boots and with his dog, died in an open area, bloody and mangled.

At night, a man was driving on a country road. Suddenly, he had a severe stomachache, so he pulled a few sheets from a stack of papers on the passenger seat. He went to a field, and suddenly he laughed and then cried. The next day, the man died.

In a medical school, A, B, and C were roommates. A had excellent grades and was the class president. B was relatively frail. One day, someone found the bodies of A and B, and C went crazy. Please deduce the full story.

The madman, he went crazy. They caught him. Daylight broke. I really regret it.