Statement: all of the translators are class d

Input Table: whlp

Step 1: Select rows where 'class' is not 'd'.
call_sign frequency_mhz city_of_license erp_w class fcc_info
w221by 92.1 elgin , illinois 38 d fcc
w264bf 100.7 englewood , illinois 2 d fcc
w240bj 95.9 crown point , indiana 10 d fcc
w276bm 103.1 park forest , illinois 19 d fcc
w293al 106.5 rochester , indiana 80 d fcc
w223au 92.5 south bend , indiana 10 d fcc

Step 2: Use a `CASE` statement to return TRUE if the number of rows is equal to 0, otherwise return FALSE.
call_sign frequency_mhz city_of_license erp_w class fcc_info

Final output table:
verification_result
TRUE

Prediction: TRUE