What was the first movie to earn a PG-13 rating?

Here is the question :

WHAT WAS THE FIRST MOVIE TO EARN A PG-13 RATING?

Here is the option for the question :

Dune
The Lost Boys
Bloodsport
Red Dawn

The Answer:

And, the answer for the the question is :

RED DAWN

Explanation:

[STC0012093]. The PG-13 grade was established after the darkest Indiana Jones film to date, Temple of Doom (1984), was only given a PG rating. As a result of the uproar amongst parents, a new classification was developed that sat between the PG and R labels. Patrick Swayze’s ‘Red Dawn,’ released on August 10, 1984, received the first ever PG-13 classification.