Which sentence does not contain an unnecessary comma?

Question

(1 point)
On January 1, 2019, most
• of, the charity's activities will cease.
Most, of the charity's
• activities will cease in
January, 2019.
The president lives at
• 1600 Pennsylvania
Avenue NW, Washington,
DC 20500.
The president lives at
1600 Pennsylvania
Avenue, NW, Washington,
DC 20500.

Answer 1

The president lives at 1600 Pennsylvania Avenue NW, Washington, DC 20500.