41 Educational services, namely, providing classes, seminars, workshops all in the field of food; training in the field of food; teaching services, namely, providing classes, seminars, workshops all in the field of food; educational services, namely, providing courses of instruction, seminars and training in the field of educational tuition administration; educational services, namely, arranging and conducting of colloquiums, training workshops, conferences, conventions, seminars all in the field of food; organization of exhibitions for cultural or educational purposes all in the field of food; publication of books and texts other than publicity texts