print(data)
    Team v1       v2      v3    v4   v5
A    England  Gold    Red        50
B    England  Silver  Blue  30   40
C    Wales            Blue  40   30
D    USA      Silver  Red   50   20

# Shiny App
     ui <- fluidPage(
     fluidRow(
column(6, offset=3,
selectInput(inputId = "variables",
        label = "Variable",
        choices = colnames(data[,c(5:6)])))),
fluidRow(
column(2,
       selectInput(inputId = "filter",
                   label = "Filter",
                   choices = colnames(data[,c(2:4)]),
                   selected = 'v2')),
column(2,
       uiOutput("ui"))
),
plotOutput("all")
)

server <- function(input,output){
output$ui <- renderUI ({
switch(input$filter,
       "v1" = selectInput(
         "v1", "More filters", data$v1, selected = "England"),
       "v2" = selectInput(
         "v2", "More filters", data$v2, selected = "Gold"),
       "v3" = selectInput(
         "v3", "More filters", data$v3, selected = "Red")
  )
  })

  plott <- reactive({input$ui})
  varr <- reactive({input$filter})

  datasubset <- reactive({subset(data, varr()==plott())})

  finalsubset <- reactive({
    datasubset()[,input$variables]
  })

  output$all <- renderPlot({barplot(finalsubset())
  })

plott <- reactive({input$ui})
varr <- reactive({input$filter})

 datasubset <- reactive({subset(data, varr()==plott())})