instruction:
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". 
question:
[header] How to find the number of a blocked call [title] Get an private branch exchange (pbx) account. [step] One option is asterisk, a free, open source software. Another is switchvox. <sep> (A) This will also work better than 200 blackwire. If you buy one, it will work with the same account ($ 0.11). (B) The pbx is considered to be a free exchange. While this service typically does not have much use for a desktop account, it gives you access to many anonymous call accounts. (C) A pbx converts your computer into a telecommunications device and will allow you to manipulate incoming call data to identify blocked callers. [substeps] Before embarking on this method ensure that you thoroughly understand the technical challenge it presents and the potential financial burden it incurs. (D) Without switchvox here you are on better business. No other option is available to get a contact number from an online website.
answer:
C


question:
We see the man sitting on the floor talking to a camera. We see the man illustrating break dance moves. The man is talking and sitting still. we <sep> (A) see the man walking through the crowd at room 15 taking pictures. (B) see the man dance fast. (C) see the closing screen and a lady walks into frame. (D) see the following title screen.
answer:
B


question:
The men square up and they begin hitting and kicking at one another with brief moments of stopping in between their punches and their kicks. one of the guys <sep> (A) kicks the other one too hard and the one who got kicked gets mad, rips his gloves off of his hands, walks away and angrily throws his gloves. (B) throws a tantrum and runs to the woods to get away from his mates. (C) a man wears a brown t-shirt and the other one begins wearing a green t-shirt. (D) runs over to where they both started and hits the man on the ground with a hammer sized hit to the head that throws him in the air high up and his head lolls against the ground until he falls off of the incline.
answer:

A