I believe quality control would be best
Answer:
1,3, and 4 are cooperative. 2 and 5 create conflict because of the argumentative tone.
Explanation:
3 could actually go either way because some people may argue, but it is asked in a reasonable tone so I would place it in the cooperative category with 1 and 4.
Answer:
Change now to "at the moment".
Explanation:
then or at the moment are good changes of now into reported speech.
Uncowed means showing courage or boldness.
the opposite would be showing fright