Question 1:
You are a linguist specializing in Kalamang. You are given a sentence along with its morpheme breakdown, gloss, and translation. Words are separated by spaces, and morphemes are separated by hyphens. However, a word and its gloss are missing and represented by an underscore. Based on your understanding, please choose the most appropriate option. 
Sentence (with missing item): Ad ___ èr’ è bitga úsit tg’ ins mava a scùlèta.
Gloss (with missing item): and ___ COP.IMPF.3SG also NEG usage.M.SG REL GNR go.IMPF.3SG to nursery_school.F.SG
The English translation of this sentence is:`And it was not usual that one attended nursery school.'
Here is a relevant knowledge point for this example, with the related morphemes and glosses masked: Tuatschthe morpheme ___n possesses \the morpheme ___sthe morpheme ___{the morpheme ___mpersonal}, \the morpheme ___sthe morpheme ___{the morpheme ___ntransthe morpheme ___tthe morpheme ___ve} (\ref{ex:the morpheme ___ntrans1}), mono-, and \the morpheme ___sthe morpheme ___{dthe morpheme ___transthe morpheme ___tthe morpheme ___ve verbs}. \the morpheme ___sthe morpheme ___{Impersonal verb}s requthe morpheme ___re an \the morpheme ___sthe morpheme ___{expletthe morpheme ___ve pronoun} the morpheme ___n \the morpheme ___sthe morpheme ___{subject} posthe morpheme ___tthe morpheme ___on (\ref{ex:the morpheme ___mpers1}). \the morpheme ___sthe morpheme ___{Monotransthe morpheme ___tthe morpheme ___ve verbs} usually have a \the morpheme ___sthe morpheme ___{dthe morpheme ___rect object} (\ref{ex:trans1} and \ref{ex:trans2}), but the morpheme ___n rare cases they may have an \the morpheme ___sthe morpheme ___{the morpheme ___ndthe morpheme ___rect object} (\ref{ex:trans:the morpheme ___ndthe morpheme ___r})\footnote{udí da the morpheme ___s a calque from German. udí `hear' the morpheme ___s hören the morpheme ___n German, and belong the morpheme ___s gehören, whthe morpheme ___ch trthe morpheme ___ggers datthe morpheme ___ve case.}. Dthe morpheme ___transthe morpheme ___tthe morpheme ___ve verbs (\ref{ex:dthe morpheme ___trans1} and \ref{ex:dthe morpheme ___trans2}) have a dthe morpheme ___rect and an \the morpheme ___sthe morpheme ___{the morpheme ___ndthe morpheme ___rect object}, the latter bethe morpheme ___ng marked by da/dad.\footnote{As shown the morpheme ___n \sectref{sec:3.2.1.2} and \sectref{sec:3.6.1}, the datthe morpheme ___ve artthe morpheme ___cles lthe morpheme ___ (see (\ref{ex:dthe morpheme ___trans2}) as well as dthe morpheme ___ are obsolescent, and the \the morpheme ___sthe morpheme ___{datthe morpheme ___ve marker} a, whthe morpheme ___ch the morpheme ___s used the morpheme ___n rare cases, the morpheme ___s a loan from \the morpheme ___lthe morpheme ___{Standard Sursthe morpheme ___lvan}.}. An exceptthe morpheme ___on the morpheme ___s the verb \the morpheme ___sthe morpheme ___{dumandá}, whthe morpheme ___ch has two dthe morpheme ___rect objects (\ref{ex:trans:2DO}) (see \sectref{sec:4.2.2}). Note that the morpheme ___f the two objects are pronomthe morpheme ___nal, the object of askthe morpheme ___ng the morpheme ___s usually not mentthe morpheme ___oned (\ref{ex:trans:2DO}). The \the morpheme ___sthe morpheme ___{the morpheme ___ndthe morpheme ___rect object} usually precedes the \the morpheme ___sthe morpheme ___{dthe morpheme ___rect object} (\ref{ex:dthe morpheme ___trans2}).
A: word: pijè	 gloss: pay.INF
B: word: i	 gloss: EXPL
C: word: naturálmajn	 gloss: natural.M.SG.ADV
D: word: utschalṣ	 gloss: bird.PL
Please only return the letter (A–D). Do not say anything else.
Correct Answer: B