Choose the sentence with the appropriate Article:

The correct answer is Option (2) → The rich should help the poor.

1. "Sun rises in east."
   - This sentence lacks an article before "Sun" and "east."
   - Corrected: "The sun rises in the east."
   - Explanation: "The" is the definite article, used to refer to a specific noun, in this case, "sun" and "east."

2. "The rich should help the poor."
   - This sentence correctly uses "the" before both "rich" and "poor."
   - Explanation: "The" is used here because it refers to specific groups: "the rich" and "the poor."

3. "He is most interesting man."
   - This sentence lacks an article before "man."
   - Corrected: "He is the most interesting man."
   - Explanation: "The" is used before "most interesting man" to refer to a specific man as the superlative degree is being used.

4. "They are in the trouble."
   - This sentence lacks an appropriate article.
   - Corrected: "They are in trouble."
   - Explanation: "The" is not needed here. "Trouble" is an uncountable noun in this context and does not require an article.