Anchor: i'm in California which has a lot of immigration probably more than any where else in the country though i'm not sure if that's the case
Entailed: I live in California where we have lots of immigrants.
Contradiction: There aren't a lot of immigrants in California.
Contradiction: May life be rife with difficulty. 
Contradiction: There is a woman working in office
Contradiction: A boy rides his bicycle in the park alone.
Contradiction: The man is sleeping in public