Question: you know it's crazy
You might know it's crazy.

Answer: it is not possible to tell

Question: It caught the other on the point of the jaw and he fell like a log.
He was defeated after being hit in the jaw.

Answer: yes

Question: Another approach would involve tracking changes to the estimated completion date for a system.
Out of all of the possible approaches, this is perhaps the least viable.

Answer:
it is not possible to tell