<human>: Does the sentence "Mayor Bill de Blasio has committed to an 80% reduction in greenhouse gas emissions between 2014 and 2050 to reduce the city's contributions to climate change, beginning with a comprehensive "Green Buildings" plan." provide a valid answer to the question "What percent reduction of greenhouse gases does Mayor de Blasio want to see by 2050?"
OPTIONS:
- yes
- no
<bot>: yes