Sentence 1: Rachel took her dog for a walk in the local park. 
 Sentence 3: Rachel and her dog got caught in the rain 
 Sentence 4:  It was raining very hard so they had to take cover 
 Sentence 5:  They went to a local shop and stayed until it stopped raining 
 Given Sentence 2: They are still not married and have 3 children together.