Because the journey was so long and arduous, most of the goods that were traded along the Silk Road were items that were
but
expensive such as silk, ivory, fur, and jade.
light, luxury, spices
luxury, light, spices
spices, light, luxury

Please help

Atraffic cop has pulled over a speeder, only to discover that he has stopped a close friend. the police officer is torn, because his professional obligations demand that he punish the speeder, but his personal obligations suggest that he should give a friend a break. what is this called?