i1 : describe (X = specialFourfold "tauquadric")
o1 = Special GushelMukai fourfold of discriminant 10(')
containing a surface in PP^8 of degree 2 and sectional genus 0
cut out by 6 hypersurfaces of degrees (1,1,1,1,1,2)
and with class in G(1,4) given by s_(3,1)+s_(2,2)
Type: ordinary
(case 1 of Table 1 in arXiv:2002.07026)

i3 : describe (value str)
o3 = Special GushelMukai fourfold of discriminant 10(')
containing a surface in PP^8 of degree 2 and sectional genus 0
cut out by 6 hypersurfaces of degrees (1,1,1,1,1,2)
and with class in G(1,4) given by s_(3,1)+s_(2,2)
Type: ordinary
(case 1 of Table 1 in arXiv:2002.07026)
