Question: A half-hour tour costs HK$50; pay at the end, or the driver may cut your trip short.
You should tip the driver if the tour lasts for 30 minutes.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: it is not possible to tell

Question: Once that happens, it is very difficult to get support to re-evaluate them, so it is true we must be careful when evaluating social science and psycho-social interventions.
We must be careful evaluating social science and psycho-social interventions, the results could be dire.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: it is not possible to tell

Question: Here's my nominee for worst movie of the year (complete category should Worst Movie of the Year That Assumedly Adult Male Reviewers Slathered Over): There's Something About Mary --a pathetically sophomoric, penis-obsessed mess that wouldn't even appeal to Larry Flynt!
There's Something About Mary was a really bad movie.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer:
yes