Please help Look at the four positions of Earth with respect to the sun.

The picture shows an oval orbit of Earth with the sun at the center. There are four positions of Earth shown in the picture. Earth on the left of the sun is labeled 'Position 4'. Earth above the sun is labeled 'Position 1'. Earth on the right of the sun is labeled 'Position 2'. Earth below the sun is labeled 'Position 3'.

Argentina is located on the Tropic of Capricorn. At what position of Earth, will the sun be exactly overhead at Argentina?

Position 1
Position 2
Position 3
Position 4