['We', 'will', 'consider', 'here', 'this', '“', 'high', '-', 'energy', '”', 'hypothesis', 'that', 'both', 'the', 'equivalence', 'theorem', 'and', 'the', 'decoupling', 'regime', 'are', 'well', 'settled', ',', 'but', 'in', 'such', 'a', 'way', 'that', 'the', 'unitarity', 'constraint', 'is', 'also', 'fulfilled', '.']