Which function of the ggplot is used to plot the subsets of data together?

Fix the R code below to plot the subplots for the variable house.

df $<-$ data.frame$($house $=$ rep$($c$("$A$","$B$"),$ each$=10),$

size $=1$:$100+$ rnorm$(100,$sd$=3),$

value $=1$:$100+$ rnorm$(100,$sd$=10))$

str$($df$)$

ggplot$($df$,$ aes$($size$,$ value, color$=$house$))+$ geom$\_$point$($shape$=21,$ size$=5)$

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