Q:

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.
Bone of contention

• 1
  Cause for quarrel
• 2
  A link between them
• 3
  A delicious non-vegetarian item
• 4
  An item which made them content