Task: Code to Text
Input (English): less { hop { filter_eq { all_rows ; visitor ; dallas } ; date } ; hop { filter_eq { all_rows ; visitor ; montreal } ; date } } = true
Output (English): select the rows whose visitor record fuzzily matches to dallas . take the date record of this row . select the rows whose visitor record fuzzily matches to montreal . take the date record of this row . the first record is less than the second record .