I Psychological pressure of the opponent often prevents even good players from winning. II Saina, in spite of being World No. 1, has frequently lost to her Chinese opponents in the final matches.

• If I is the immediate cause and II is its effect.
• If II is the immediate cause and I is its effect.
• If I is the effect but II is not its direct/immediate cause.
• If II is the effect but I is not its direct/immediate cause.