Extract the answer to the question from the following context. Question: Which symptom of the condition in which a person's airways become inexplicably inflamed and produce mucus involves difficulty taking in and expelling air? Context: Asthma is characterized by recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing. Sputum may be produced from the lung by coughing but is often hard to bring up. During recovery from an attack, it may appear pus-like due to high levels of white blood cells called eosinophils. Symptoms are usually worse at night and in the early morning or in response to exercise or cold air. Some people with asthma rarely experience symptoms, usually in response to triggers, whereas others may have marked and persistent symptoms.
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Answer: shortness of breath


Extract the answer to the question from the following context. Question: What part of the yogi's practices did the Buddha add to? Context: Meditation was an aspect of the practice of the yogis in the centuries preceding the Buddha. The Buddha built upon the yogis' concern with introspection and developed their meditative techniques, but rejected their theories of liberation. In Buddhism, mindfulness and clear awareness are to be developed at all times; in pre-Buddhist yogic practices there is no such injunction. A yogi in the Brahmanical tradition is not to practice while defecating, for example, while a Buddhist monastic should do so.
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Answer: concern with introspection


Extract the answer to the question from the following context. Question: Why might Jehovah's Witnesses only want to make friends with other Witnesses? Context: Jehovah's Witnesses believe that the Bible condemns the mixing of religions, on the basis that there can only be one truth from God, and therefore reject interfaith and ecumenical movements. They believe that only their religion represents true Christianity, and that other religions fail to meet all the requirements set by God and will soon be destroyed. Jehovah's Witnesses are taught that it is vital to remain "separate from the world." The Witnesses' literature defines the "world" as "the mass of mankind apart from Jehovah's approved servants" and teach that it is morally contaminated and ruled by Satan. Witnesses are taught that association with "worldly" people presents a "danger" to their faith, and are instructed to minimize social contact with non-members to better maintain their own standards of morality.
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Answer:
Witnesses are taught that association with "worldly" people presents a "danger" to their faith, and are instructed to minimize social contact with non-members to better maintain their own standards of morality