Suppose there are four grades A, B, C, D. (A is the best and D is the worst) 4 personsJack, Jean, Poul and Lucy wrote the final exam and made the statements like this:-1. Jack: If I will get A then Lucy will get D.2. Lucy: If I will get C then Jack will get D.Jack grade is better than Poul grade.3. Jean: If Jean doesn't get A then Jack will not get A.4. Poul: If Jack get A, then Jean will not get B, Lucy will get C, I won't either A or B.If all the above statements are true, then which person will get which grade?