Correct

为首

/ wéishǒu / 
Strokes

Definition

head/be headed by

Example

As a Verb

serve as the head; stand at the head of

1
Yǐ
以
zǒngtǒng
总统
wéishǒu
为首
de
的
dàibiǎotuán
代表团

delegation headed/led by the president