claim: Nymphomaniac (film) is the third installment of a tetralogy.
evidence: Forward Seamens Union of India is a trade union , affiliated to the Centre of Indian Trade Unions , organizing Indian sailors .. India. India. Centre of Indian Trade Unions. Centre of Indian Trade Unions. trade union. trade union. Category  : Centre of Indian Trade Unions. Centre of Indian Trade Unions. Centre of Indian Trade Unions. Category  : Seafarers ' trade unions