A glass of milk at 50 °C was kept in the open. After 10 minutes, the milk became cooler. Which statement is correct?

The temperature of the surrounding air was less than 50 °C.
The temperature of the surrounding air was greater than 50 °C.
The final temperature of the milk was less than the final temperature of the surrounding air.
The final temperature of the milk was greater than the final temperature of the surrounding air.