What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Pic/instructor and student pilot/ride along picked up the aircraft from maintenance, enroute to lakefront (knew) student pilot was at the controls in the left seat while the PIC was in the right seat reading the (before landing) check list while approaching 18R at lakefront.
Upon arrival to 18R, instructor and student went through check list, winds at that time gusting, both pilot and instructor perpared the aircraft for landing, upon touch down, student felt the tail hit the runway and the aircraft slide down the runway gear up.
As the FAA filed it
PIC/INSTRUCTOR AND STUDENT PILOT/RIDE ALONG PICKED UP THE AIRCRAFT FROM MAINTENANCE, ENROUTE TO LAKEFRONT (KNEW) STUDENT PILOT WAS AT THE CONTROLS IN THE LEFT SEAT WHILE THE PIC WAS IN THE RIGHT SEAT READING THE (BEFORE LANDING) CHECK LIST WHILE APPROACHING 18R AT LAKEFRONT.
UPON ARRIVAL TO 18R, INSTRUCTOR AND STUDENT WENT THROUGH CHECK LIST, WINDS AT THAT TIME GUSTING, BOTH PILOT AND INSTRUCTOR PERPARED THE AIRCRAFT FOR LANDING, UPON TOUCH DOWN, STUDENT FELT THE TAIL HIT THE RUNWAY AND THE AIRCRAFT SLIDE DOWN THE RUNWAY GEAR UP.