Question: His back greeted them unwelcomingly, and the silence lengthened uncomfortably until Drew did as he always had and met the unpleasant head-on.
They were greeted by his back and an uncomfortable silence.

Answer: yes

Question: Customs' strategic planning efforts now focus on the dramatic changes occurring in its external and internal environments and on the equally dramatic changes the agency will need to make in response.
Customs won't have to do much in light of the minimal changes to the external environment.

Answer: no

Question: let's see what are some other ones i've seen lately i'm trying to remember i can't oh i just saw one on the video oh um have you seen The Gods Must Be Crazy Part Two
I just saw that movie in the theaters and it was great!

Answer:
it is not possible to tell