4 130 if "yes"="no" then print "130 true" else print "130 f"
5 140 if "yes"="yes" then print "140 true" else print "140 f"
6 150 if "yes"="" then print "150 true" else print "150 f"
7 160 if "yes"=yes then print "160 true" else print "160 f"
8 170 if yes="yes" then print "170 true" else print "170 f"
11 200 print answer$="yes"