Problem:
Read the following paragraph and determine if the hypothesis is true:

How to compose interesting tweets on twitter<br>Be original. This is the most important way to make your twitter posts interesting. Nobody likes reading the same rehashed material over and over.
Hypothesis: Original content on Twitter is rare
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Answer:
It's impossible to say

Problem:
Read the following paragraph and determine if the hypothesis is true:

More than 150 dolphins, marine turtles and beaked whales have been washed up dead on beaches in Africa.
Hypothesis: None of the sea creatures washed up dead on Africa's beaches
****
Answer:
No

Problem:
Read the following paragraph and determine if the hypothesis is true:

But how can that happen when we know from the start that this agency will be made up of an extremely large number of employees-40,000 is the number we have been seeing-who will no longer come under the Public Service Employment Act and who will therefore have difficulty keeping their union?
Hypothesis: 40,000 employees is considered an extremely large number of employees in this case.
****
Answer:
Yes