What made JYP cast Shin Ryujin as a trainee when they saw her in a fan meeting?

I know why Shin Ryujin got casted in a fanmeeting

She’s so freaking beautiful..ㅠㅠㅠㅠ

post response: [+306][-57]
original post: pann

1.[+140][-4] She reminds me of someone, I think she looks like the mixture of Son Naeun and Lee Yeonhee..

2. [+68][-3] She’s so freaking beautiful..

3. [+42][-30] She looks like Umji at some angles in that video.. I personally think she resembles Moonbin as well..

4. [+23][-0] Pure and innocent..

5. [+23][-0] I’m posting this gif just because I like it..