<human>: Does the sentence "It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%)." provide a valid answer to the question "What part of wood's cells are composed of cellulose and hemicellulose?"
OPTIONS:
- yes
- no
<bot>: yes