Final answer:
Based on the given information, it is not possible to answer the question about the frustrated man on the subway train.
Step-by-step explanation:
The question references multiple passages from different sources and it's unclear what specifically happened to the frustrated man on the subway train riding with Sergio and Gideon.
None of the passages provide any information about a frustrated man on a subway train. Therefore, it's not possible to answer this question based on the given information.