Statement I: The university authorities has ordered all colleges under its control to outlaw using any phones inside the college grounds. Mobile phones are actually quite helpful and vital. However, because they interfere with students' studies, college administration has prohibited them from the campuses. Even during class hours, the majority of students use their phones to forward SMS or to continue talking on the phone.
Statement II: The majority of college instructors sent a combined petition to the institution complaining about the distractions brought on by cell phone ringtones in the lectures. They said that maintaining a tranquil environment at the institutes proved detrimental. The college administration should thus prohibit cell phones on campus.
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Statement I is the cause and statement II is its effect
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Statement II is the cause and statement I is its effect
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Both the statements I and II are independent causes
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Both the statements I and II are effects of independent causes
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Both the statements I and II are effects of some common cause