invalidating

"entrapment is against the law"

"This invalid contract cannot be legally enforced."

"The teacher asked each student to write their signature on the permission slip. "

"What make of car do you drive?"

"My sister is very helpful, especially when it comes to organizing things. "

"Please push the door to."

"The new math strategies were applied successfully in the classroom. "

"It looks weaker and weaker, the more I think about it."

"I missed the target."

"The entire class was excited for the field trip. "

"to enter an agreement;  the UK and US negotiators nearing agreement;  he nodded his agreement."

"Marriage is a contract."