Context:
Rip Off<br>Sarah was at the market. And she wanted to buy cabbage juice. And she saw a 16 ounce bottle for $6. She knew it was just cabbage and water. So she decided to buy her own juicer instead.
Hypothesis: Cabbage juice is cabbage and water. 
Yes
Context:
A tipster had told BGR that the Sidekick, on T-Mobile and made by Microsoft-acquired subsidiary Danger, would be replaced by the Android-based forthcoming and rumored myTouch Slide, a myTouch 3G device with a sliding QWERTY keyboard made by HTC. Microsoft has yet to announce what will become of the Sidekick line, but hopefully the technologies from Danger could be integrated with Windows Mobile 7 or a potential Zune phone. Guess we’ll have to wait until Mobile World Congress next month to learn more. (via: BGR)
Hypothesis: It is unknown what will happen to the line
Yes
Context:
Much against her will , Jo at length consented to sacrifice a day to Mrs. Grundy , and help her sister through what she regarded as ' a nonsensical business ' .<br>The invitations were sent , nearly all accepted , and the following Monday was set apart for the grand event .
Hypothesis: Jo was very brave

It's impossible to say