Direction: Join the following sentences to make a simple sentence:
Ravi is very smart. He will not listen to his father's advice.
1
Ravi is too smart to listen to his father's advice.
2
Unless Ravi is very smart, he will not listen to his father's advice.
3
Ravi is very smart because he will not listen to his father's advice.
4
Ravi is very smart but he will not listen to his father's advice.