premise: [India], Mar 21 (ANI): The Delhi Police on Wednesday filed charge sheet in connection with Bawana fire case, in which 17 people were charred to death in a massive blaze at a firecracker storage unit in Delhi's Bawana area. Earlier in January, a Delhi court sent the owners of the firecracker factory Manoj jain and Lalit Goyal, accused in the Bawana fire, to judicial custody. On January 20, 17 people were killed in a fire at a firecracker storage unit in Bawana area in New Delhi. Of the 17 killed, 10 were women. A man and woman were also injured. (ANI)
hypothesis: Fireworks were not involved in the fire. 
reason: I'm not sure why it was difficult. The writing states that it was a fireworks storage unit, fireworks were definitely involved, making my statment that they weren't, incorrect. 