unavailing

"After the party, only a few close friends remained to help clean up. "

"They brought their books with them."

"Dogs may bark if they want to be fed."

"The old, broken calculator was useless; it couldn't perform any calculations. "

"It took a lot of effort to find a decent-sized, fully-furnished apartment within walking distance of the office.   He made a conscious effort to not appear affected by the stories in the paper."

"Many students invite their parents to school events. "

"The search for her lost keys was fruitless; she had to borrow her roommate's set. "

"The were in my family is a kind and supportive man. "

"It was futile to argue with him; his mind was already made up. "

"After careful consideration, the student made a decision about which college to attend. "

"The contract requires that the party of the first part pay the fee."

"The teacher convinced the students that the Earth revolves around the sun by using diagrams and explaining the scientific evidence. "