Speaking game using python and Mac OS X's say

#!/usr/bin/env python

import os
import random

def say(word):
    os.system("say " + word)

class Score:
    def __init__(self):
 self.total = 0
 self.correct = 0

if __name__ == '__main__':
    pairs = [["bed", "bad"], ["sped", "speed"],
      ["wary", "very"], ["bull", "ball"],
      ["mall", "mole"], ["pale", "pull"],
      ["soup", "stoop"], ["file", "fill"]]
    scores = {}
    for pair in pairs:
 scores["".join(pair)] = Score()
    input = ""

    print("To quit, enter q")
    while input != "q":
 pair = random.choice(pairs)
 word = random.choice(pair)
 print("1) " + pair[0])
 print("2) " + pair[1])
 say(word)
 input = raw_input("What did the computer say?: ")
 input = input.strip()
 
 if input != "q":
     key = "".join(pair)
     score = scores[key]
     score.total += 1
     if input == word:
  score.correct += 1
  print("Correct!")
     else:
  print("Wrong!")
     print("You\'ve gotten the right answer for "
    + " vs ".join(pair) + " "
    + str(score.correct) + " out of "
    + str(score.total) + " times")

Here's a little game to drill you on somewhat similar sounding pairs of English words. I'm sure much could be done to improve it. Is the use of a class here kosher with Python practice? What's contrary to idiom here?