In the attachment, you say "If G does not work, then from the last constraint H does not work". Where do you get that from? But all we know from the last constraint is G ALWAYS follows H and just because G is not imminent, are you saying that H does not work? Please explain.

How do I tackle question 20 effectively? Because I assumed the second reassignment means "Plan 2" and then I assigned N to T yielding: Q R S T
L O M N And then both choice (C) AND (D) would be correct. I obviously got something wrong. Please help.