Read the scenario below to answer this question:

Cheffit is an organisation that prepares and delivers convenient food packages to its consumers, aiming to be th leading responsible food brand by encouraging better lifestyle choices. While there are similar food brands in th market, Cheffit offers health$-$conscious, clean eating products that consists of organic, free$-$range and grass$-$fed produce, that are free of chemical additives, preservatives and artificial ingredients. The Cheffit food brand is bu unique and valued offerings such as quality, health and convenience, a concept not easily imitated by their rivals Cheffit is an example of an organisation that has chosen to make sustainability part of its business level

Select one:

$$ a$.$ focus

b$.$ differentiation

c$.$ cost leadership

d$.$ responsible leadership