22. The system of claim 21 , wherein the memory device further comprises instructions executable by the processing device for causing the processing device to: determine the overall sentiment for the electronic communication by: determining a plurality of total sentiment scores for the plurality of blocks of characters using the sentiment dictionary; determining an aggregate sentiment score for the electronic communication by aggregating the plurality of total sentiment scores; and determining the overall sentiment based on the aggregate sentiment score.
22. The system of claim 21 , wherein the memory device further comprises instructions executable by the processing device for causing the processing device to: determine the overall sentiment for the electronic communication by: determining a plurality of total sentiment scores for the plurality of blocks of characters using the sentiment dictionary; determining an aggregate sentiment score for the electronic communication by aggregating the plurality of total sentiment scores; and determining the overall sentiment based on the aggregate sentiment score. 26. The system of claim 22 , wherein the memory device further comprises instructions executable by the processing device for causing the processing device to: segment the plurality of characters into the plurality of blocks of characters by dividing the plurality of characters such that each block in the plurality of blocks of characters comprises a single sentence including a common sentiment.