Sentence 1: Kathy had learned some new hair tricks. 
 Sentence 3: She tried it but something went wrong 
 Sentence 4:  Her hair came out horribly greasy 
 Sentence 5:  It turned out that she had used way too much oil 
 Option 1: She read that coconut oil was great for hair. 
 Option 2: She read that baking soda was great for hair.