Table:
0
A
B
C
D
E
F
1
Nominative
Ergative
Dative
Genitive
Instrumental
Adverbial
2
me
me
me
chem(s)
chemit
chemad
3
shen
shen
shen
shen(s)
shenit
shenad
4
is
(i)man
(i)mas
(i)mis
(i)mit
imad
5
chven
chven
chven
chven(s)
chvenit
chvenad
6
tkven
tkven
tkven
tkven(s)
tkvenit
tkvenad
7
isini
(i)mat
(i)mat
(i)mat
(i)mat
(i)mat

Questions and formulas:
Question: What is the genitive for the ergative shen?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="shen"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,B2:B7="shen"),4))
Level: medium
Question: What is the instrumental for the dative shen?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="shen"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,C2:C7="shen"),5))
Level: medium
Question: What is the adverbial for the nominative me?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="me"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,A2:A7="me"),6))
Level: medium
Question: What is the ergative for the dative chven?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="chven"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,C2:C7="chven"),2))
Level: medium
Question: What is the ergative for the genitive tkven(s)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="tkven(s)"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,D2:D7="tkven(s)"),2))
Level: medium
Question: What is the ergative for the dative (i)mas?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="(i)mas"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,C2:C7="(i)mas"),2))
Level: medium