Take the following as truth: Was it a sudden decision on his part, or had he already made up his mind when he parted from me a few hours earlier? 
Then the following statement: "He left so suddenly and unannounced that I figured this was a spur of the moment decision, but I assumed later that this possibly was something planned and kept from me for quite some time." is true, false, or inconclusive?
Answer: Inconclusive