start call statement done
start call command done

done end ok

group statement
  start call np afternp

  afternp call vp aftervp
  
  aftervp call np afternp
  aftervp - ok
  
  afternp call ppi ok

group np
  start art afterart
  start adj afteradj
  start dem afterart
  start nn afternn

  afterart adj afteradj
  afterart nn afternn

  afteradj adj afteradj
  afteradj nn afternn
  
  afternn call pp ok
  afternn - ok

group vp
  start adv start
  start vb aftervb
  
  aftervb adv aftervb
  aftervb - ok

group pp
  start prp afterprp

  afterprp call np ok

group ppi
  start pri afterprp

  afterprp call np ok

group command
  start call vp aftervp
  
  aftervp call np afternp
  aftervp - ok
  
  afternp call ppi ok