In the two figures $($a$)$ and $($b$)$ below, length dimensions of the linkages are given in $[$mm$].$

a$)$ Label the fixed link, input link, coupler link, and the output link for each of the linkages. Explain your reasoning of your decision. $[20$ pts$.]$

b$)$ Use Grashof criteria and the Table of Barker$$s classification, given below, to determine the type of each linkage. Indicate the crank and$/$or rocker type links $($if any$).[20$ pts$.]$