Consider the following sentences:

1. Everybody in the class is prepared for the exam.
2. Babu invited Danish to his home because he enjoys playing chess.

Which of the following is the $\text{CORRECT}$ observation about the above two sentences?

1. $\text{(i)}$ is grammatically correct and $\text{(ii)}$ is unambiguous
2. $\text{(i)}$ is grammatically incorrect and $\text{(ii)}$ is unambiguous
3. $\text{(i)}$ is grammatically correct and $\text{(ii)}$ is ambiguous
4. $\text{(i)}$  is grammatically incorrect and $\text{(ii)}$ is ambiguous