ベタでしょう
betadeshō
1. Almost certainly.; Very likely.
★ Common
Noun
#493017
1. Almost certainly.; Very likely.
1. betta (esp. the Siamese fighting fish, Betta splendens)
1. it seems; I think
2. right?; don't you agree?
1. ate
1. Investigated; Researched
1. Want to eat
1. Stated; Mentioned
1. Compared
1. Found out.; Investigated.