Is the input text marked by negative sentiment?

Input: "STS ESPN - Alaskan musher, 25, youngest to win Iditarod - Dallas Seavey won the Iditarod Trail Sled Dog Race on Tues...
"STS ESPN - Alaskan musher, 25, youngest to win Iditarod - Dallas Seavey won the Iditarod Trail Sled Dog Race on Tues...