Forest fires cause millions of rupee of damage each year to the forest. Within the span of a few hours, hard work of generations of forest officers can be ruined. Causes of fires is / are :

A.Burning of grass and undergrowth along patchs frequented by villagers for easy passage
B.Burning to facilitate the collection of minor produce
C.Burning of grass by graziers for the sake of the tender grass, which comes up after a fire
D.Fires caused by sparks from locomotive engines passing through the forest
E.All of the above