Anchor: It wasn't until the third century b.c. that techniques of rice cultivation (and wheel-made pottery) arrived from Korea, along with irrigation methods that are still in use today.
Entailed: It was not until the third century that techniques of cultivation arrived.
Contradiction: It was not until the fifth century that techniques of cultivation for rice farming came.
Contradiction: Many women have ruled India. 
Contradiction: A guitar is being played.
Contradiction: I kept it all together. 
Contradiction: It feels like we roughed it but at the time I was used to it.