challengers

""The group of friends issued playful challenges to each other to see who could build the tallest sandcastle." "

"The family is becoming more organized now that they have a new calendar. "

"The strong bridge cables were designed to withstand the force of a major earthquake. "

"no contest"

"The football team won the championship game, winning their rivals. "

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

"It is hard work to swim against the current."

"The defending champion is expected to defeat his challenger."

"Give the door a hard push if it sticks."

"The bully gave the smaller boy a series of shoves to make him drop his lunch. "

"The current of air coming from the open window is making the papers on my desk flutter. "

"Children learn through play."