With reference to the Indus valley pottery, consider the following statements:
1. The Indus Valley pottery consisted chiefly of very fine wheel-made wares, very few being hand-made.
2. Plain pottery was less common than painted ware.
3. Polychrome pottery was rare and mainly comprised of small vases decorated with geometric patterns in red, black, and green, rarely white and yellow.
4. Graceful curves were an exception, while straight and angular shapes were the rule.
Which of the statements given above is/are correct?
1. 1, 2 and 3
2. 1 and 3 only
3. 2 and 4 only
4. 1, 2, 3 and 4