Q: If And at one side a round-faced Mexican in ornate, south-of-the-border clothing held a guitar across one plump knee, now and then plucking absent-mindedly at a single string as he stared raptly into space., can we say that "A mexican had a guitar.."?

A: yes

Q: If He always slept during flights, and he flew quite much, because he made a fortune as a trader of rights for the emission of stratospheric gases (he had connections in the appropriate European commission), and so he was needed in every geographical latitude., can we say that "He couldn't sleep on planes."?

A: no

Q: If and try to get more uh, can we say that "Dont have any more"?

A: no

Q: If Why has Japan been unable to reap a peace dividend like the NATO countries?, can we say that "Japan's proximity to China puts it in a constant state of security uncertainty."?

A:
it is not possible to tell