With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Facebook is a social networking service and is successful.
text_B: Philip Dean Salt -LRB- born 28 August 1996 -RRB- is a Welsh-born cricketer who plays for Sussex County Cricket Club .. Sussex. Sussex County Cricket Club. Sussex County Cricket Club. Sussex County Cricket Club. Primarily an aggressive right-handed opening batsman , he also bowls right-arm medium-pace .. batsman. Batting ( cricket ). medium-pace. fast bowling. Salt attended Reed 's School .
not_related.