Context:
How to keep teens from drinking at a party where alcohol is served<br>Determine whether or not it is necessary to serve alcohol at the party. Depending on the type of party or the people there, serving alcohol may not the best choice. Try to gauge how many teens will be at the party, and the likelihood of underage drinking.
Hypothesis: The first step in preventing underage drinking at parties is to first determine whether alcohol is necessary for the party in question. 
Yes
Context:
Shares of tech companies rose as a rebound in risk appetite stoked demand for the sector. The Nasdaq Composite closed at a record high as comments from Federal Reserve Jerome Powell alleviated worries about the effects of higher interest rates on growth. Microsoft is being investigated by U.S. authorities over potential bribery and corruption related to software sales in Hungary, The Wall Street Journal reported. A fire on the grounds of Tesla's car factory in California on Thursday burned a scrap pile but was extinguished before it could cause major damage. Rob Curran, rob.curran@dowjones.com
Hypothesis: Microsoft commonly engages in morally ambiguous behavior.
It's impossible to say
Context:
How to catch tadpoles<br>Gather your supplies. Before setting out to capture a tadpole, you'll want to have certain supplies ready. You can find most necessary supplies around your house.
Hypothesis: tadpoles are not infant frogs

No