最長 さいちょう不倒 ふとう距離 きょりでしょう
saichō futō kyorideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 最長不倒距離

1. Probably the longest distance it won't fall.; Likely the furthest it can go without falling.

Polite
Presumptive
Conjecture