Summarization
Directions: The paragraph is followed by an incomplete phrase or sentence which summarizes the main idea of the paragraph. Spell out the missing letters of the word.

Programming robots to interpret what their sensors pick up is a tough task. Remember, silicon brains handle information, including sensory data, as zeroes and ones. Imagine the difficulty in trying to explain to a robot what a baseball looks like -using only zeroes and ones. 

D for robot playing baseball.