Symbolize the following statements as per the predicate logic using your own scheme of abbreviations: 1. Sarah gets a good grade if and only if he does not commit silly mistakes. 2. It is not the case that the moon shines on a non-cloudy night. 3. Grapes are not Apples but fruits. 4. Single boys are frivolous unless they are committed. 5. Only yellow and red peppercorns are available in the market. 6. It is true that dogs attack if they are frightened or harassed. 7. God does not exist. 8. Some angles are benevolent. 9. Giraffe thrive in jungles as well as plateaus. 10. I will not pass the logic exam if I am unable to stay focused