With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Robert Redford was in the main cast of Perry Mason.
text_B: Jonathan Rogers , -LRB- 16 September 1920 -- 10 February 1964 -RRB- was a Welsh-born sailor and an Australian recipient of the George Cross , awarded for the heroism he displayed on the night of 10 February 1964 during the sinking of .. George Cross. George Cross. Australian recipient. List of Australian George Cross recipients
not_related.