Určení uniformy 1. sv. válka

Hello, would someone be willing to help me help you find out as much information as possible from the following photos?
This is a soldier reclining on the bottom right.

He was summoned from the municipality of Žiželice, or Lužec, both in Chlumec nad Cidlinou.
In 1919 he got married, so he survived.
His name was František Šafařík, born 24. August 1888

Can be determined according to place of residence, the place where he was stationed, what weapons was and rank?.
URL : https://www.valka.cz/Urceni-uniformy-1-sv-valka-t208545#590031 Version : 0
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