[Q]: Which of the following solutions is better for the following goal:
How can I warm my brain up so I can think better?

[A]: Drink a cup of hot Cocoa, it will increase brain power.

[Q]: Which of the following solutions is better for the following goal:
Cut your wood to the appropriate dimensions.

[A]: Mark your chosen measurements on your boards in pencil and use a circular saw or miter saw to trim them to size. You would simply cut two 8 ft 2 x 6 boards in half lengthwise to get four pieces that you can then assemble into a single plane.

[Q]: Which of the following solutions is better for the following goal:
To add a smoky flavor to homemade barbecue sauce.

[A]: Add caramelized onions to the sauce.

[Q]: Which of the following solutions is better for the following goal:
Ride a bicycle.

[A]:
Hold the bicycle upright between your legs with one foot on a pedal. Gently push off the ground with your other foot and place it on the other pedal, then apply pressure to the pedals with the feet to continue forward motion.