Correct

样片

/ yàng piān / 
Strokes

Example

As a Noun

sample copy (of a film or telefilm)

1
Yàngpiān
样片
shìyìng
试映

preview a sample film

2
Shěnkàn
审看
yàngpiān
样片

censor a sample film

As a Noun

sample picture, video, etc