ALPHA, BETA, gamma, delta. The organization has also categorized six strains as variants of interest. The next letters on the list, if it comes to it, which it probably will, are epsilon, zeta, eta and theta. They will now be given the letters Alpha, Beta, Gamma, and Delta respectively, to reflect their order of detection, with any new variants following the pattern down the Greek alphabet. The organisation said the labels do not replace existing scientific names involving numbers, Roman letters and full stops, which convey important scientific information and will continue to be used in research.
The organization has detection methods.
( z0 have :ARG0 ( z1 organization ) :ARG1 ( z2 method :instrument-of ( z3 detect ) ) )
(z0 / have-03
    :ARG0 (z1 / organization)
    :ARG1 (z2 / method
              :instrument-of (z3 / detect-01)))
The organization has detection methods .
z0 :ARG0 z1
z2 :instrument-of z3
z0 :ARG1 z2