The one that cannot be used to interpret their feeling are: The words they use
Most people will interpret communication 7% from the verbal language and 93% from the non-verbal cue.
To fully interpret one's feeling, it is important to pay attention to their non-verbal cues such as intonation, their expression, the volume of their voice, and their gesture
You can say something about paying taxes, as that help the government build and improve infrastructure. (roads, buildings, etc)
You can also say something about voting as that tells the government to know what they need to improve on, and what the people want. (not just for candidates)
B. the state government should back up reforms with teacher training programs.