Sentence 1: Cabot and her dad headed out on a bike ride. 
 Sentence 3: They had never been to this park before 
 Sentence 4:  They rode through the park all the way down to the river 
 Sentence 5:  They had so much fun that they decided to return the next day 
 Option 1: They went to the downtown area. 
 Option 2: They decided to explore a nearby park.