With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: There is an American film name Interstellar.
text_B: Peter Michael Whittingham -LSB- ˈhwɪtɪŋəm -RSB- -LRB- born 8 September 1984 -RRB- is an English professional footballer who plays for Championship club Cardiff City .. Cardiff City. Cardiff City F.C.. footballer. Association football. Championship. Football League Championship. His primary position is as a central midfielder , although he can operate as a winger on both the left and right , as well as a second-striker .. A graduate of the Aston Villa academy he won the FA Youth Cup in their youth side and spent five seasons in their first team before transferring to Cardiff City .. Cardiff City. Cardiff City F.C.. Aston Villa. Aston Villa F.C.. FA Youth Cup. FA Youth Cup. In eleven seasons at Cardiff , Whittingham has played over 400 first team matches and sits eighth in their all time appearances list .. all time appearances list. List of Cardiff City F.C. records and statistics#Player appearance records
not_related.