Teacher:Given a travel related situation, and given a specific question about the situation, summarize the question into a title
Teacher: Now, understand the problem? Solve this instance: While searching the fare spectrum for London - Birmingham, I found these but the main BRFares listing(at the bottom of the page) says "Not normally available for purchase." When are these tickets available and how does one buy them?

Student:
Very cheap but inaccessible UK train fares