Which of the following Sexually Transmitted Infections (STIs) are not completely curable?

In case of a person suffering from syphilis, the chancre formation occurs during

Which one of the following diseases is a sexually transmitted disease?

Select the correct option for the early symptoms of Sexually Transmitted Diseases (STDs).
$I -$ Itching in the genital area
$II -$ Abortion
$III -$ Fluid discharge in the genital area
$IV -$ Pelvic Inflammatory Diseases $(PID)$
$V -$ Slight pain in the genital area
$VI -$ Swelling in the genital area

Which of the following diseases is not sexually transmitted?

Match the following sexually transmitted diseases (column $I$) with their causative agent (column $II$) and select the correct option.

Column-$I$	Column-$II$
$A$. Gonorrhoea	$i$. $HIV$
$B$. Syphilis	$ii$. Neisseria
$C$. Genital warts	$iii$. Treponema
$D$. $AIDS$	$iv$. Human papilloma virus