India's aspiration of having a truly strategic air force took a leap this week with the arrival of two Russian A-50 airborne early warning and control systems. Which of the following, if true, would weaken the statement?
1) Of late, Russia has witnessed a decline in its military capabilities.
2) Technology has trodden a downward path in Russia for the past few years.
3) Indo-US relations have improved with the visit of US President Bill Clinton.
4) Indo-Russian relation have improved with the visit of Russian President Vladimir Putin.
5) India has agreed to sign the Nuclear Non-Proliferation Treaty (NPT).

Explanation

2,