Study the statement carefully

(i) Every integer is a rational number and every fraction is a rational number

(ii) A rational number $\frac{p}{q}$ is positive, if $p$and $q$ are either both positive or both negative.

(iii) A rational number $\frac{p}{q}$ is negative, if one of $p$ and $q$ is positive and other is negative.

(iv) If there are two rational numbers with common denominator, then one with the larger numerator is larger than the other.

Which of the following options hold?