True or false $1-$A data mart is a subset of a data warehouse focused on a particular line of business, department, or subject area$2-$Web mining is tool used to extract key elements from large unstructured data sets and to discover patterns and relations$3-$In a pull$-$based model, production master schedules are based on forecasts of demand for products$\mathrm{.}4-$In a push$-$based model, actual customer orders or purchases trigger events in the supply chain$\mathrm{.}5-$The bullwhip effect is the distortion of information about the demand for a product as it passes from one entity to the next across the supply chain$\mathrm{.}6-$Supply chain execution systems enable the firm to generate demand forecasts for a product and to develop sourcing and manufacturing plans for that product.