Sentence 1: Larry was jealous of his neighbor's green grass. 
 Sentence 3: His neighbor suggested that Larry use a certain fertilizer 
 Sentence 4:  Larry bought the fertilizer and applied it 
 Sentence 5:  Larry's grass grew lush and green like his neighbor's 
 Option 1: Larry was too jealous to ever approach his neighbor to ask how his grass was so lush and green. 
 Option 2: One day Larry asked his neighbor how his grass was so lush and green.