sentences: pencil is recyclable
docs: mechanical_pencil_lead_refill is consumable_office_device. pencil_eraser is consumable_product. mechanical_pencil is device_officeproduct_nonconsumable. mechanical_pencil_lead_refill is tangible_thing. pencil_eraser is consumable_office_device. mechanical_pencil_lead_refill is refill. plastic is recycleable. recyclable_paper is paper. plastic_bottles is recyclables. pencil_lead is consumable_product.