With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: It is estimated to have some 5,000 armed fighters , and they have pursued attacks against Israeli forces to compel them to withdraw from the Shebaa Farms , a sliver of Syrian territory that Israel annexed after the 1967 war .
text_B: The having did not happen
not-entailed.