Yes, SOP is statement of purpose, and I think it is always important to make yourself out to be someone who is resolute, determined, and fascinated with the field of choice. I think it is good to be very clear about your intention to pursue a specific field passionately -- even if you are not actually sure yet!
This is messed up, right here:
The question, how can a computer get to know whether a seat is available between any pair of stations left me perplexed?
Here is a fix for it:
How can a computer get to know whether a seat is available between any pair of stations? This question left me perplexed.-----That question leaves me perplexed, too! I don't understand! :-)