Sentence 1: Anna was at the beach one afternoon. 
 Sentence 3: But she ventured out farther than she had planned 
 Sentence 4:  She was a poor swimmer and could only dog paddle 
 Sentence 5:  She hurried to get back to shallower water! 
 Option 1: She went into the water for a swim. 
 Option 2: She spent the day sunbathing on the sand.