1. Identify the tokens in each of the following statements.
a. if (a == b1) a = x + y;
b. delta = epilson + 1.23 - sqrt(zz);
c. print(Q);
2. Assume that we are looking in a programming language that allows underscore (_) in variable names. When a scanner sees a character string such as AB_CD, is it more likely to identify this string as the single five-character token AB_CD or as three separate tokens: AB, _, CD? Explain your answer.