Complex sentence: The Hong Kong Civil Service cruise perk was a policy of the Government of Hong Kong between 1972 and 1984, whereby British expatriate members of the Hong Kong Civil Service would be contractually entitled to a free sea cruise back to the United Kingdom from Hong Kong.
Split into simpler sentences: The Hong Kong Civil Service cruise perk was a policy of the Government of Hong Kong between 1972 and 1984. Whereby British expatriate members of the Hong Kong Civil Service would be contractually entitled to a free sea cruise back to the United Kingdom from Hong Kong.