One best known Ques..A girl and a boy can be friend or best friend?

hey a girl n a boy can both be a frnd as well as a best frnd.....it depends upon understanding bewteen both of thm......as well as on trust,caring n many more such aspects of life.....i hav boys both as my frnds n my best frnd.....it depends upon their nature also n most importantly on u how u think abt thm