Anchor: A girl is texting someone while two friends are talking.
Entailed: The girl uses a phone.
Contradiction: A girl sleeps alone.
Contradiction: No participants showed up to support the Race for the Cure.
Contradiction: Two friends are eating
Contradiction: I fumbled, and my weapon dropped into the sand.  I deflected his next blow with my steel buckler, and rolled to retrieve it before he pressed his advantage further.
Contradiction: King Djoser was the first to attempt to build a large funerary monument.