Which line of a sitrep report should contain a brief summary of enemy activity?

The line of the SITREP report that should contain a brief summary of the enemy activity is in line 2. It is because line 1 is composed of the size observed in the enemy, line 3 tells about the location of the enemy. The line 4 is about the unit of the enemy of which it belongs. Line 5 us about the time and lastly, line 6 is about the equipment of the enemy.