Original sentence: While Baltimore was the first city to use 311 as a police non-emergency number, in January 1999 Chicago initiated the first comprehensive 3-1-1 system, by to providing information and tracking City services from intake to resolution, in addition to taking non-emergency police calls
Edited sentence: While Baltimore was the first city to use 311 as a police non-emergency number, in January 1999 Chicago initiated the first comprehensive 3-1-1 system, by providing information and tracking City services from intake to resolution, in addition to taking non-emergency police calls