ownership

"My friend told me there was something in the box, but I didn't know what it was yet. "

"Responsibility is a heavy burden."

"Maria is a candidate for student council president. "

"The family's proprietorship of the corner store has lasted for three generations. "

"The responsible for the project is Maria. "

"My son rode his bicycle to school this morning. "

"The complete survey was handed in to the teacher. "

"The government has complete control over the situation."

"The school's fundraising projects aim to build a new library. "

"a successful use of medicine;  a successful experiment;  a successful enterprise"

"We saw the internal compartments."

"The library has possession of the rare book, even though it doesn't own it. "