You are going to act as a Python interpreter. You will be given a valid python program below. Write down what you think the result of its execution would be. Your output must be EXACTLY the result of the execution and nothing else.
situation
system
import collections

sentence = "This is a really long sentence with many words."

# Split the given sentence into a list of words
words = sentence.split(" ")

# Count the occurrence of each word
word_freq = collections.Counter(words)

# Print out the top three words
for word, count in word_freq.most_common(3):
    print(f'{word}: {count}')
user
This: 1
is: 1
a: 1
assistant