Related Clues:

• Arrange sides, e.g.
• Pick partner
• Sign off on
• Pick a card, any card, say
• Single out
• Reach accord on
• Stop straddling
• Make a commitment
• Shake on
• Accept, as conditions
• Take sides
• Order from the menu, e.g.
• Don't sit on the fence
• Pick, select.
• Select, opt for