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

How to stop erosion on a river bank<br>Use coir netting that's 700-900 grams per square meter (gsm). Coir netting is made from coconut fibers and is biodegradable. Normal or heavy duty netting should be used when there is a large amount of water flow.
Hypothesis: River bank erosion can be stopped.
****
Answer:
Yes

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

How to blow a bubble with bubblegum<br>Buy some bubblegum. You can buy gum at pretty much every corner store. Chewing gums can be used to make bubbles, but they won't be as big, and they'll usually pop too easily.
Hypothesis: Bubblegum bubbles are bigger than chewing gum bubbles.
****
Answer:
Yes

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

Bakhtar Afghan Airlines was an airline from Afghanistan, which offered domestic flights. The company was founded in 1967 as Bakhtar Alwatana, a name it kept until 1985, when it was renamed Bakhtar Afghan Airlines. In 1985 the company absorbed Ariana Afghan Airlines and became Afghanistan's sole airline company. In 1988 the Ariana and Bakhtar brands merged.
Hypothesis: Bakhtar Afghan Airlines had a lot of consumer complaints.
****
Answer:
It's impossible to say