Sentence 1: Gerald was watching a TV and decided that he wanted to visit Japan. 
 Sentence 3: Gerald started saving money in bank account for the trip 
 Sentence 4:  After a few months, Gerald had enough money and knowledge for trip 
 Sentence 5:  He went to Japan for a week and loved it 
 Option 1: Gerald could never save up enough to go to Japan so he went to his sister's house instead. 
 Option 2: Gerald started studying Japanese at his local college.