weird error in random sentence generator

[hshivaraj]

nouns = ("alien", "man", "android", "girl", "monkey")
verbs = ("runs", "faints", "jumps", "trips", "barfs") 
adv = ("crazily.", "dutifully.", "foolishly.", "merrily.", "occasionally.")
adj = ("adorable", "clueless", "ignorant", "odd", "stupid")
nons = ("alien", "man", "android", "girl", "monkey")
vorbs = ("hunts", "walks", "jumps", "trips", "shoots gun") 
aev = ("slowly.", "carefully.", "fast.", "actiously.", "occasionally.")
ado = ("adorable", "clueless", "ignorant", "odd", "stupid")
humanoid = ("alien", "man", "android", "girl", "monkey")
done = ("hunts", "walks with", "pushes", "trips", "shoots at","traps") 
living = ("a alien", "a man", "a girl", "a android", "a monkey")
things = ("in a pit.", "in a tunnel.", "upstairs.", "downstairs.", "in the water.")
bipeds = ("alien", "man", "android", "girl", "monkey")
sports = ("goes golfing", "goes swimming", "goes skiing", "goes bowling", "goes surfing","goes hoverboarding") 
gowith = ("with a alien", "with a dog", "with a girl", "with a android", "with a robot")
time = ("in the morning.", "at lunch time.", "in the afternoon.", "at night time.")
people = ("girl", "woman", "man", "robot")
actions = ("sees", "yells at", "films", "talks to") 
thesethings = ("scary alien", "a deer", "the stormy sky", "women standing in the rain")
timely = ("in the morning.", "at lunch time.", "in the afternoon.", "at night time.")

The problem is, in some of your tuples you have such 4 elements rather than 5 (for instance timely tuple). But all your range function call seem to generate numbers between 0-5. Which will cause issues with the tuples which dont have the 5th element. Hence it worked when you changed from 5 to 4.