Research Has Shown That Young People Below the Age of 15

Research has shown that young people below the age of 15 do not use the familiar red ketchup as much as older individuals.To capture this market,Heinz markets blue-,purple- and green-coloured ketchup.The ketchups have an exotic look,which Heinz hopes will appeal to this market.It still tastes like the old red variety.Since this is not really a new product,just an attempt to reach a new target market,which type of strategy does it exemplify?

A) market development
B) product development
C) market penetration
D) product penetration