Does the sentence "The tribes were not ethnic or kinship groups, but rather geographical subdivisions." provide a valid answer to the question "How were the assembly of tribes segregated into specific tribes?"

A: yes

Does the sentence "The major architectural undertakings were the buildings of abbeys and cathedrals." provide a valid answer to the question "What is another pan-European style?"

A: no

Does the sentence "During this period the practice of manuscript illumination gradually passed from monasteries to lay workshops, so that according to Janetta Benton "by 1300 most monks bought their books in shops", and the book of hours developed as a form of devotional book for lay-people." provide a valid answer to the question "When did Giotto die?"

A: no

Does the sentence "Piaget describes adolescence as the stage of life in which the individual's thoughts start taking more of an abstract form and the egocentric thoughts decrease." provide a valid answer to the question "Does Piaget believe that egocentric thoughts decrease or increase during adolescence?"

A:
yes