What kinds of different trinkets of Hamlet Shakespeareana does David Tennant review in the intro?

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the cost of attendance or coa is an approximate budget for the cost of attendance of the whole academic year. in order to calculate this, universities take into consideration many factors like room and board, tuitions and fees, books, transportation and personal expenses such as medicine, laundry, clothing. all these factors combined make up the final sum to the cost of attendance in each university.

i think the answer would mist likely be an adjective clause, because unhappy is an adjective.