Answer:
Reena took a small quantity of food item and wrap it in a piece of paper. She crushed it and saw an oily patch. Identify it.
Answer: That they have brainwashed the person.
Explanation: I believe the tone of these lines are that the people have brainwashed her into believing she is "stubborn and childish" even thought she may be the opposite of that .
Advantages means something that gives you a higher chance of achieving something. For example, an advantage in a race is good stamina.
Answer: ask your teacher you need help
Explanation: