Consider the following statements regarding Greek’s influence of Indian Culture. 1. The Indo-Greek king, Menander I was converted to Buddhism by Buddhist monk and philosopher, nagasena. 2. Indian astrology was influenced by Greek ideas with the term Horastra used for astrology in Sanskrit. 3. Greeks introduced into Indian astronomy the methods of calculating eclipses, the notion of methods of calculating eclipses, the notion of parallax and methods of calculating it. 4. Greeks introduced the use of curtain in Indian theatre. Which of the above is/are correct?