In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

Ex Input:
[header] How to make a home safe for toddlers [title] Use cabinet and drawer child latches to keep little hands out of poison and sharp items. [step] Keep heavy items locked away or well out of their reach. If oven doors are not lockable, buy a latch to keep them shut unless you want to watch your child at all times when baking. <sep> (A) [title] Use childproof latches for household repairs. [step] They can be safely locked, or were given, because they' stay safe' at the end of a hallway or adjoining small room. (B) [title] If you can, leave some items accessible to toddlers that are safe. [step] They can bang on pans or sort your plastic storage containers while you cook or clean. (C) [title] Refrain from leaving your baby inside for long periods of time. [step] Children with small hands and easily handled hands can become allergic and can even choke on poisonous foods and vegetables. (D) Lids are very fragile and we should avoid turning them on or checking the lock. [title] Use holes big enough to allow ventilation, light from the oven, and a childproof bulb for the door.

Ex Output:
B


Ex Input:
A man is pushing a lawn mower through the grass. A child is standing next to him pushing a toy lawn mower. they <sep> (A) speed past a car in the street. (B) pass other kids on the lawn mower. (C) move up and down the lawn on the mower. (D) give each other a high five.

Ex Output:
D


Ex Input:
[header] How to clean tires and rims [title] Spray a synthetic wheel cleaner onto dry tires and allow five minutes to set in and lift off grime. [title] Rinse off cleaner with a hose, being sure to remove all traces of the cleaner. [title] Examine the tires. <sep> (A) [step] They should be smooth and free of dirt, debris, and oil stains. Give your tires a thorough washing and install new ones if necessary. (B) [step] If they are new or modified, they may be of poor quality or with imperfections of some sort. Have a friend help you properly inspect the rims of the tire. (C) [step] You may find that mud or mold is accumulating under the wheels, so remove this dirt and mud before you can clean the rims. Try scrubbing dirt under the wheels often as well. (D) [step] If they are still not up to expectations, allow surface to dry and then repeat steps 1 and 2. [title] Apply tire wetting formula to the walls of the tire.

Ex Output:

D