<human>: Does the sentence "In 2008, researchers at Tufts University uncovered what they believe is the world's oldest known full-body impression of a primitive flying insect, a 300 million-year-old specimen from the Carboniferous period." answer the question "From what period do researchers believe that the oldest known full-body impression of a flying insect originates?"

OPTIONS:
- yes
- no
<bot>: yes