Sometimes a simple, gracious answer, yes or no, is enough, without editorializing about the poster!
ok. no.
BUT, the fact is that they could structure the agreement any damn way they want to, and it's logically possible, and not even unlikely that compensation is in some way contingent on specific disease, time, place, favoring upfront payments over later compensation, etc., in other words, the question of NOT non-sensical.
The question is nonsensical. When two parties are involved you can't structure a deal "any damn way they want to"...i.e. both parties need to agree.
Why don't you call Ariad's IR person and ask her?