With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: It was reactivated in 2006 and performed ground and flight testing on the Boeing YAL-1A until 2012.
text_B: It was reactivated in 2007 and performed ground and flight testing on the Boeing YAL-1A until 2012.
contradiction.