Sally anamjua mtu anayefanya kazi kwenye kiwanda cha kutengeneza mafuta. Yeye huchukua usafiri wa umma kwenda kazini kwake kila siku. Kazi yake ni nini? 
Choose an answer to this question from the following options:

A: kupata baridi
B: vaa jeans
C: panda basi
D: tengeneza divai
E: kula keki
The right answer is D