单选题 Complete the gaps in the descriptions of the stages of The Wick Effect. Write NO MORE THAN THREE WORDS.

Stage 1 (28) from a cigarette or fireplace sets "victim's" clothes alight while he/she is asleep or unconscious.
Stage 2 victim's (29) melts and soaks into clothing
Stage 3 intense heat fuelled by (30) completely destroys body but damage to house is minimal