Robert uses his mouth more than Christopher because 
OPTIONS:
- Robert likes to talk to many people and is extroverted.
- Christopher likes to talk to many people and is extroverted.
Robert likes to talk to many people and is extroverted.

The speech that was given today was better than the dialogue yesterday because the 
OPTIONS:
- speech was insincere.
- dialogue was insincere.
dialogue was insincere.

The dog of Ian goes on few walks, while Adam always takes his dog walking, so 
OPTIONS:
- Ian is a prudent dog owner.
- Adam is a prudent dog owner.
Adam is a prudent dog owner.