Utilize the input text as a context reference, choose the right relationship between National Semiconductor and Texas Instruments from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

National Semiconductor rose 7.4 percent, or $1.74, to $25.39 and Texas Instruments shares added 3.6 percent, or $1.11, to $32.09, also on the Big Board.

Answer: parent_organization