This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Which among the following statements is true regarding chalazion  a) Mucous cyst  b) Sebaceous cyst  c) Due to staphylococcal infection  d) Recurrence may imply malignancy  e) Occlusion of Meibomian gland 
Select and explain. 
A. abc, B. bde, C. bcd, D. ade
B: bde
Answer: B: bde 
Explanation: Recurrence may occur in seborrhoeic dermatitis, acne rosacea and malignant change