With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Four songs were written or co-written by Cooke; one, "Summertime," is a pop standard that Cooke had performed in 1957.
text_B: Four songs were written - written by Cooke ; one, " Summertime, " is a pop standard that Cooke had performed in 1957.
entailment.