Task: Question Answering
Input (English): Context: dude . life is pretty sweet.since losing 50 lbs , everything 's been so much easier for me.and it was n't easy , but boyyy was it worth it ! thanks to weightwatchers for changing me : ) but yeah . so i went to the mall today , again . 
Question: What was helpful in allowing the writer to lose 50 pounds?
Output (English): Sticking to a diet plan.