Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').

[Q]: Bacteria come in ____ basic shapes.\Question: Choose the right answer from options given a) five b) one c) three d) nine
[A]: c


[Q]: Aspiration pneumonia includes ____ syndromes based on the nature of the inoculum.\Question: Choose the right answer from options given a) three b) seven c) eight d) no
[A]: a


[Q]: Egyptian culture boasts ____ millennia of recorded history.\Question: Choose the right answer from options given a) nine b) five c) four d) no
[A]:
b