1. Working with Dictionaries
def reply(sentence):
"""Returns a reply to the sentence.""”
if 'mom' or 'work' or 'died' in sentence.split():
for word in sentence.split():
if word == 'mom':
return random.choice(keywords.get('mom'))
if word == 'work':
return random.choice(keywords.get('work'))
if word == 'died':
return random.choice(keywords.get('died'))
probability = random.randint(0, 3)
if probability == 0:
return random.choice(hedges))
etc.

2. Working with Dictionaries
def reply(sentence):
"""Returns a reply to the sentence.""”
probability = random.randint(0, 3)
if probability == 0:
return random.choice(hedges))
elif probability == 1:
return getKeywordResponse(sentence)
etc.

3. Working with Dictionaries
def getKeywordResponse(sentence):
"""Returns a keyword response to the sentence.""”
if 'mom' or 'work' or 'died' in sentence.split():
for word in sentence.split():
if word == 'mom':
return random.choice(keywords.get('mom'))
if word == 'work':
return random.choice(keywords.get('work'))
if word == 'died':
return random.choice(keywords.get('died'))
return reply(sentence)

4. Working with Dictionaries
def getKeywordResponse(sentence):
"""Returns a keyword response to the sentence.""”
for word in sentence.split():
if word in keywords:
return random.choice(keywords.get(word))
return reply(sentence)