premise: A man in a leather apron who appears to be a blacksmith holds up a glowing hot piece of iron which he is working on with the hammer in his right hand, the forge fire conspicuous in the background. hypothesis: a blacksmith is making a sword.
neutral: Just because a man appears to be a blacksmith doesn't necessarily mean that he is a blacksmith.The fact that a man holds up a glowing hot piece of iron which he is working on with the hammer doesn't imply that he is making a sword.