Compiler Construction Flex,bison

Given the Flex specification, determine the output of the given input sequences in the output box

%% [ \t ]+ ; runs? | writes? | breaks? | takes? | cleans? | stops? { printf ("\"%s\" is a verb ", yytext); } [a-zA-Z]+ { printf ("\"%s\" is not a verb ", yytext); } . { printf ("invalid "); }; %% int main (void) { return yylex (); }

\begin{tabular}{|l|l|} \hline Input & Output \\ \hline Running & \\ \hline run run run & \\ \hline cleans & \\ \hline stop & \\ \hline takes & \\ \hline sit & \\ \hline slide & \\ \hline take 11 & \\ \hline bake 2 cakes & \\ \hline \end{tabular}