Superlative/hyperbolic/exaggeration : the best beverage in the world (係寰球最優之飲品 xihuanjiu zuiyou zhi yinpin)

Rational :

• invitation to identify/authenticate the original/authentic brand (請認明西字庶不致悮 qing renming xizi shu buzhi wu) ;
• age/reputation of the company (早已風行 zaoyi fengxing; 昔日 xiri)
• description of the product qualities : refined grape juice, purity (精粹 jingcui), made in France
• testimonials by experts (authority) : recommended by Chinese and foreign doctors (中西醫 zhongxiyishi)
• how to use the product: to drink before each meal (每於飯 wei yu fan); user's guide, manual, handbook (說明書 shuomingshu)

Health appeal : recommended by Chinese and foreign doctors (中西醫 zhongxiyishi) ; against stomachache (胃痛 weitong), cold (寒 han) and fever (熱 re) and other diseases (症 zheng) ; helps digestion (消化 xiaohua)