We see in the passage that fishermen prepare to eat and that sailor explains to them how to use the fork. However, the passage quotes Goemon that warily states the food might be poisonous.
<u>This can tell us that Goemon does not trust sailors and he thinks that they might have poisoned the food in order to kill them.</u> He is suspicious and afraid of these people and warns his fellow about the possible danger and his doubts.
In a circular narrative, the story ends where it began. Although the starting and ending points are the same, the character(s) undergo a transformation, affected by the story's events