Sentence 1: Karen wanted to wear a bikini by summer. 
 Sentence 3: She cut out sweets and sodas 
 Sentence 4:  It was hard, but worth it 
 Sentence 5:  Karen lost twenty-TWO pounds in total! 
 Option 1: She vowed to first get a light suntan. 
 Option 2: She vowed to lose twenty pounds.