Does the input text display a negative sentiment?

Text Input: So Labour back in lead with Populus &amp; Yougov but all MoE. Reality it'll be close election national polls may be trumped by #Labourdoorstep.
So Labour back in lead with Populus &amp; Yougov but all MoE. Reality it'll be close election national polls may be trumped by #Labourdoorstep.