Sentence 1: When I was in South Africa we visited the beach in Witsand. 
 Sentence 3: I got in the water and soon a huge wave took me under 
 Sentence 4:  My curled up body did somersaults and I finally emerged disoriented 
 Sentence 5:  I decided then to never get back in the water in Witsand 
 Option 1: The waves were a bit wild but I was determined to get wet. 
 Option 2: The beach was so polluted that nobody dared go into the water.