Anchor: namely uh replacing putting the catalytic converter back on the car
Entailed: A part of the process was replacing the catalytic converter. 
Contradiction: The catalytic converter has never broken.
Contradiction: Now that he's dead, we won't have to hear from him ever again.
Contradiction: Choice c is laundry detergent
Contradiction: A group hug is happening in the town square
Contradiction: The lady is at the grocery store.