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

Cauhtemoc Cardenas said during a news conference on 7 June that the visit to Mexico by Salvadoran president Alfredo Cristiani is a visit by "a repressive ruler who oppresses a large sector of his people."
Hypothesis: Alfredo Cristiani was upset by the comment.
****
Answer:
It's impossible to say


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

Silvana, J. 87, is an opera by Carl Maria von Weber, first performed in Frankfurt am Main on 16 September 1810. The libretto, by , is a reworking of an earlier, unsuccessful opera by Weber, "Das Waldmädchen ". Weber also reused music from the same piece in "Silvana".
Hypothesis: Silvana, J. 87 is an award winning opera.
****
Answer:
It's impossible to say


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

How to cure astigmatism<br>Speak to your optometrist about getting eyeglasses. Eyeglasses are a good option for correcting astigmatism. They help to correct the irregular curve of your cornea and allow your retina to focus properly.
Hypothesis: To cure astigmatism, you should go see a teacher
****
Answer:

No