[Q]: Sentence: It could handle analog and digital audio where VHS was mostly analog only (VHS can have PCM audio in professional applications but is uncommon), and the NTSC discs could store multiple audio tracks. Question: Which medium was chapter based like DVD format, Laserdisc or VHS? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: Impedance matching between antennas and transmission lines is commonly handled through the use of a balun, although other solutions are also used in certain roles. Question: What technique is used to prevent unintentional decrease in signal? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: Based on fundamental research performed by Gregory Pincus and synthetic methods for progesterone developed by Carl Djerassi at Syntex and by Frank Colton at G.D. Searle & Co., the first oral contraceptive, Enovid, was developed by E.D. Searle and Co. and approved by the FDA in 1960. Question: What was the name of the first oral contraceptive? OPTIONS:
- yes
- no
++++++++++
[A]:
yes