Would the following phrase be considered positive or negative?

a whale of a good time for both children and parents

positive

Would the following phrase be considered positive or negative?

the writing is indifferent

negative

Would the following phrase be considered positive or negative?

remaining one of the most savagely hilarious social critics this side of jonathan swift

positive

Would the following phrase be considered positive or negative?

they 'll be treated to an impressive and highly entertaining celebration of its sounds .
positive