Thinking about something only works if you’re willing to actually think.
It only works if you’re going to add value to the decision making process.
It only works if you’re going to process what was said, and if you might change your choice from what your gut tells you, to something else.
If, in fact, you’re just looking for a way to politely NOT make a decision – to avoid the decision altogether – then you should probably just say no (or yes). Stop wasting everyone’s time and put it to rest.
Then, get back to work.