pato!="vuela" and pato!="nada"
3>=3
cielo=="verde"
perro=="vuela"
perro!="vuela"
13%2!=0 and 44/11==4
pato=="vuela" and pato=="nada"
0.5**2<0.25**2
4<5 and 5<4
(4-2)**2 != 5*8/10
not (45/3<16 and 44%3==1)
cielo=="azul"
3>=4
13%2==0 and 44/11==4
(4-2)**2 == 5*8/10
0.5**2>0.25**2
not (45/3<16 or 44%3==1)
4<5 or 5<4
