% (a) local Answer in local B in thread B = true end if B then Answer=yes else Answer=no end end {Browse Answer} end % (b) local Answer in local B in thread if B then Answer=yes else Answer=no end end thread B = true end end {Browse Answer} end % (c) local Answer in local N in thread N=0 end thread N=11 end thread N=222 end thread N=3333 end Answer=N end {Browse Answer} end % (d) local Answer Square in fun {Square I} thread {Delay 3000} I*I end end Answer={Square 9} {Browse Answer} end