What are non examples of Biased

It is very important to promote self esteem in young children

Based on the information in the passage, what conclusion can the reader make?

Identify the sentence in which the underlined word or words are punctuated incorrectly. a) pam was (well prepared) for the debate. b) she had (read three quarters) of the material more than once. c) she has always been (self assured). d) the winner needs a (two-thirds) majority of the votes.