IKMC 2027 - Grades 7-8 - Self-study SET 3 - Thematic Batch 3 Question 8

Dr John’s laboratory has six types of bacteria: A, B, C, D, E and F. When placed together, A eats C; F eats C and D; C eats E; D eats B; and B eats E. Which listed combination allows the greatest number of types to be eaten?