Take context from the input text and decide on the accurate relationship between 'software solutions' and 'software' from the options provided.
Options: product/material produced, chairperson, member of, stock exchange

However, Materialise is the analyst's top pick in the group as metal 3D printing demand will stay "hot" and the company offers a "differentiated" software solutions and optimization software tools used in 3D printing metal parts.
product/material produced