Sentence 1: We moved in September. 
 Sentence 3: For days we avoided the couch because of the cold 
 Sentence 4:  Finally, we decided to check the window 
 Sentence 5:  We found out it was opened at the top and closed it 
 Option 1: When the weather got cold we noticed our window was leaking. 
 Option 2: We love how warm the weather is at our new place.