Part 1. Definition
You will be given a sentence. Check whether the sentence is grammatically correct and is meaningful. If the sentence is grammatically correct, then answer with '1', otherwise answer with '0'.
Part 2. Example
Our friends won't buy this analysis, let alone the next one we propose.
Answer: 1
Explanation: Since all the entities are in thier correct positions the statement is grammatically correct.Hence, the output is 1.
Part 3. Exercise
Columbus believed that the earth was round.
Answer:
1