controvert

"You must do your homework before you can watch television."

"Don’t move that beam! It supports the whole platform."

"He is a student of life."

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

"His testimony contradicts hers."

"My daughter's teacher is very kind and helpful. "

"This flow chart represents the assignment of tasks in our committee."

"The school board's decision to change the school mascot caused a lot of controversy. "

"The gardener involved the climbing roses around the arbor. "

"There is no evidence that anyone was here earlier."

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

"The dispute over who cleaned the kitchen last night led to a family argument. "