Anchor: um-hum hm well i have seen a big change i think in high school kids that my relatives and friends that um i know when i was in high school i had an idea of what i really wanted to do with
Entailed: I have witnessed a change in those attending high school.
Contradiction: I have seem them undergone changes throughout college. 
Contradiction: A dog is walking down the sidewalk.
Contradiction: A man is making noise.
Contradiction: A man works on his computer.
Contradiction: A person on a lime green motorcycle, near a busy marketplace.