Neha, Radhika, Riya and Tara are playing in the park. On one of the see-saws, Neha is sitting on the left and Riya on the right. The see-saw tilts towards the right. On another see-saw, it tilts towards Radhika when Tara and Radhika sit on opposite sides. The four of them then decide to play on one see-saw. If Riya and Radhika sit together on one side and Neha and Tara both sit on the other side, to which side will the see-saw tilt?

• A. Neha, Radhika        
• B. Riya, Radhika
• C. Neha, Tara                
• D. None of these