... , it is. - Is this ? - , it is not. - Is this ? - , it is. - Is this ? - , it is not. - Is that ? - , it is. - Is that ? - , it is not. - Is that ? - , it is. - Is that ... - Is this pork? - No, it is not. - Is that beef? - Yes, it is. - Is this veal? - Yes, it is. - Is that mutton? - No , its is not. - Is this sauce? - No, it is not. - Is that ... vinegar? - Yes, it is. - Is this chilli-sauce? - Yes, it is. - Is that a soy-cake? - No, it is not. - Is this fish-sauce? - No, it is not. - Is this soy-sauce? - Yes, it is. Bước 5:...