sentence: It means thirteenth day of spring . On this day , people go on a picnic and spend the day out of their homes in nature because they believe that the number thirteen brings bad luck for them .
modified: It means Thirteenth day of spring , on this day people going picnic and spent the day out of their homes on the nature because they believe that Thirteen number that brings bad luck for them .
transformation: ORTH, PUNCT, PUNCT, OTHER, VERB:TENSE, PREP, DET, DET, WO, DET