Conditional format a data point in line chart

hihi. is it possible to format a data point in a line chart in excel?
for example if i place an X next to data in Column B of the data range A1:C4 the chart is plotting, then the data point is red.

Ie

Apples 3
Bananas 4 X
kiwis 6
plums 8 X


ie The data points in the line chart will be red for bananas and plums

hope that makes?!