$($a$)$ Given the following propositions:

d: it is day

n: it is night

s: the sun shines

m: the moon shines

Give propositions that respectively resemble the meaning of the following

two sentences:

i$.$ The sun only shines when it is day, but the sun doesn$$t shine now

although it is day.

ii$.$ Either it is day, or it is night, but when the sun shines it is not night d