With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Therefore, many statistical tests can be conveniently performed as approximate "Z"-tests if the sample size is large or the population variance is known.
text_B: Therefore, many statistical tests can be conveniently performed as approximate "Z"-tests if the sample size is little or the population variance is known.
neutral.