Correct

题字

/ tízì /
Strokes

Definition

inscription/autograph

Example

As a Verb

write; inscribe

1
Qǐng
láibīn
来宾
zài
niàn
纪念册
shàng
题字
  

The visitors are invited to sign in the autograph book/guest-book/visitors'book.

As a Noun

inscription; autograph

2
Shū
shàng
yǒuzuòzhě
有作者
de
qīn
亲笔
题字
  

The book is autographed by the author.