Which of the following cells are characteristic of chronic inflammation of the dental pulp?
1. Neutrophils.
2. Eosinophils.
3. Lymphocytes.
4. Macrophages.
5. Plasma cells

(3) (4) (5)

(1) (2) (3)

(1) and (2)

(1) (4) (5)

(1) and (5)