I am using a Linux Mint OS and am trying to run a simple genode demo using hte method shown in
 
http://genode.org/documentation/developer-resources/getting_started

I am getting an error saying

/bin/bash: /home/anubhav/Downloads/genode-13.05/tool/run: /usr/bin/expect: bad interpreter: No such file or directory
make: *** [run/demo] Error 126


Please tell me what is wrong