Please choose the correct ending to complete the given sentence: Doing karate: Two girls in karate class bow forward and then to each other before practice. The girl dodges an attack by taking a knee while blocking a hit. the karate students

Ending1: engage in a fight using stationary bounce kicks, punches and kick. Ending2: punch and block with their wrists. Ending3: bow back while kneeing and continuing practicing. Ending4: use kung fu moves until the girl produces just one strike before she kicks and tosses the kicking stomach.

Answer format: ending1/ending2/ending3/ending4