Hi Wolfgang,
I want to number the second line of the first column a. then the third line of the first column b. ...

Best regards,

Fabrice

\setupitemize[1][stopper={.},style=\bf,color=red]
\starttext
\startsetups[table:initialize]
  \setupTABLE[height=0.8cm,align={middle,lohi}]
  \setupTABLE[row][1][background=color,backgroundcolor=cyan]
  \setupTABLE[1][1][background=color,backgroundcolor=white]
  \setupTABLE[column][1][width=10cm,align={right,lohi}]
  \setupTABLE[column][2,3,4][width=2.5cm,align={middle,lohi}]
  \setupTABLE[1][1][frame=off]
\stopsetups
\bTABLE[setups=table:initialize]
\bTR
\bTD \eTD
\bTD Vrai \eTD
\bTD Faux \eTD
\bTD Peut-être \eTD
\eTR
\bTR
\bTD \startitemize[a] \item Les droites (IJ) et (AB) sont parallèles.  \stopitemize \eTD
\bTD \eTD
\bTD \eTD
\bTD \eTD
\eTR
\bTR
\bTD  Les droites (JK) et  (BC) sont parallèles. \eTD
\bTD \eTD
\bTD \eTD
\bTD \eTD
\eTR
\eTABLE{}
\stopmidaligned
\stoptext