Sentence 1: Leo found a pregnant dachshund lost in the street. 
 Sentence 3: But he did the right thing and called the dachshund's owner 
 Sentence 4:  The owner was so happy, she cried and cried 
 Sentence 5:  Then she promised to give Leo one of the dachshund puppies! 
 Option 1: He loved dachshunds and badly wanted one - VERY badly! 
 Option 2: He loved dachshunds so he took it home.