Instructions: In this task, you will be given a passage to read. A fill in the blank question will be given to you.  Your answer should fit the blank appropriately.
Input:  Barker worked principally in watercolor with pen @-@ and @-@ ink , but she was equally competent in black @-@ and @-@ white , in oils , and in pastels . She carried a sketchbook with her for capturing interesting children . She once indicated ,Kate Greenaway was a childhood favorite and an influence on her art . Barker 's child subjects wear nostalgic clothing as Greenaway 's children do , though Barker 's children are less melancholy and less flat in appearance , due perhaps to advances in printing technology . Barker studied flowers with an analytical eye and was friend to children 's illustrator , Margaret Tarrant . Along with Greenaway , illustrator Alice B. Woodward also influenced Barker 's work . fill in the blank  :  Barker worked principally in watercolor with pen @-@ and @-@ ink , but she was __________________ competent in black @-@ and @-@ white , in oils , and in pastels . 
Output:
 equally 