Consider this Sleigh class: public class sleigh \{ private double speed; public void SleighDefault() \{ //LINE 5 speed =0.0; public sleigh(double s) {// LINE 9 speed =5; public void defaultSleigh() \{ //LINE 13 speed =0.0; public sleigh() {// LINE 17 speed =0.0; \} Which line begins to define a default constructor (see the comments)? LINE 13 LINE 17 LINE 5 LINE 9